必不可少

A: I agree that a good marketing channel is important and indispensable to the sess of exporting, Besides, as a friend of yours, I would suggest that you should be still more flexible in doing business.

我同意一条好的销售渠道对顺利出口是至关重要和必不可少的。另外。做为你们的朋友，我建议您做生意更活些。

In order to allow administrators from the laborious task of extricating themselves. enable administrators in the use of a software is very easy to be able to right all the rooms, guests management, and accuracy. English. Therefore the development of a the skey spring hotel management system software is a priority, as well as topics of this paper significance and research purposes.

随着天泉酒店的业务的数量不断扩大，管理这些庞大的体系非常困难的，因为酒店的人员情况是随时改变的，因此必需对酒店进行动态的管理，而这对于一个管理人员来说是一件比较复杂的事情，存储，查询，总结业绩为经理提供可靠的决策依据是必不可少的业务。

In order to allow administrators from the laborious task of extricating themselves. enable administrators in the use of a software is very easy to be able to right all the rooms, guests management, and accuracy. English. Therefore the development of a the skey spring hotel management system software is a priority, as well as topics of this paper significance and research purposes.

随着天津市旅游业规模的不断扩大，宣传这些庞大的体系信息非常困难的，因为旅游的人员情况是随时改变的，因此必需对城市旅游信息进行动态的实时宣传，而这对于一个宣传人员来说是一件比较复杂的事情，存储，查询，咨询业务都是宣传系统必不可少的工作内容。

According to the methodology and technology of SOTER at a scale of 1∶1 000 000,a digital spatial database and a simple attribute database at a scale of 1∶200 000 was established in the south of Jiangsu province by integrating relief map, geology map and soil map with Arc/info software.

现有的土壤与地形资料在区域地理与环境研究中是必不可少的，而这些资料经常不能被充分地利用，主要原因是其信息的表达方式很落后-它们常常是零散的、不全面的，并且经常缺乏资源分布的空间与时间序列的信息。

In the art of public specking , clear diction is a sine qua non

在演讲中，措辞清晰是必不可少的

If you want a better relationship with anyone "Stroking" is mandatory.

如果你想与他人相处得更加融洽，对他人的友善是必不可少的。

Also common in the natural sciences, the technicist fallacy mistakenly identifies the discipline as a whole with certain parts of its technical implementation.

64自由和尊严是传统理论所认定的自主人的财富，他们对于那种要求人对他的行为负责并且根据他的成绩给予赞扬的做法来说是必不可少的。

In nature, forest is resource-base, gene-base and power-base which take on the most perfect function. It is very important to maintain terrene environment and ecologic balance. Forest, as the provider of natural resource which is necessary to mankind development, take on significance to social sustainable development.

森林是自然界功能最完善的资源库、基因库、蓄水库和能源库，对维持陆地生态环境，维持生态平衡起着重要的作用，同时森林作为人类发展必不可少的重要自然资源提供者，对社会经济的可持续发展具有极其重要的意义。

Gnosticism died not by chance, but because it lacked vital power within itself; and no amount of theosophistic literature, flooding English and German markets, can give life to that which perished from intrinsic and essential defects.

诺斯替主义死亡并非偶然，而是因为它缺乏内的重要力量本身和任何数量的theosophistic文学，洪水英语和德语的市场，可以给生活那些死去的和必不可少的内在缺陷。

Accurate package coding is essential to product quality and traceability.

精确包编码是必不可少的产品质量和可追溯性。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。