必要

How do you go about deciding if a career risk is necessary and will bear fruit?

你该如何确定一项职业上的冒险是必要的、会有所收获？

This is very necessary in a bear market.

这是非常必要的熊市。

If you're trying to go long in a bearish market, tight stops are absolutely necessary.

如果你在重新走漫长熊市市场，紧凑站绝对必要的。

Biologists have long maintained that two groups of pinnipeds, sea lions and walruses, are descended from a terrestrial bearlike animal, whereas the remaining group, seals, shares an ancestor with weasels.

上文第三句以趋同进化解释一种现象：鳍足确实有可能是为了适应水中生活而作出的一个必要的反应；龟、鲸鱼以及儒艮同样都长有鳍足。

I'm certainly not the first one to say this. But it bears repeating.

我当然不是第一个这么说的人，但它有重申的必要。

You don't have to beat around the bush.

你没有必要拐弯抹角的。

Particularly under push of ecological crisis, a study on the value of natural beautifulness of original ecology is a necessary responsibility as human spirit.

尤其是在当代生态危机的威逼之下，对原生态自然美及其价值的考量是我们人文精神的一项必要的历史担当。

You need time for yourself. You don't need to be at everyone's beck and call.

你要给自己留点时间没必要对每个人都唯命是从

So it is necessary to adju st structure of beet sugar industry Xinjiang.

因此，对新疆制糖行业进行结构调整是非常必要的。

So it is of greatimmediate significance and necessary to develop fodder beet's processing equipment.

因此在新疆积极开展饲用甜菜加工设备的研制，是非常必要的，具有重要的现实意义。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。