查询词典 do not have to

Fortunately, we do not have to be certain of the causes.

幸好，我们不需要肯定它的原因。

Home-schooled children do not have to be fearful of displeasing a teacher because they get the wrong answers on meaningless tests.

家居舞团子女不须害怕老师不高兴，因为他们得到错误的答案就没有意义测试。

However, the two copies do not have to be identical.

然而，这两套基因却不一定是相同的。

I do not have to be in line for the bus.

我用不着排队等公共汽车。

In his view, do not have to worry too much oil into the market after the bear problem.

他认为，不必担心进入市场的问题后，承受太多的石油。

Companies do not have to submit financial statements to any government of Belize.

公司也不必提交财务报表予任何贝里斯的政府部门。

You do not have to search blindly.

我会传到网上给你们看下。。。

II photochemcal photochemcal proofing: of course, we do not have to be a block, in print, previously agreed film original production、utilization exposure imaging system of sample.

平化学打样：平化学打样是一栽必须印版、在晒版之后堵住不硬片原版、诳骗曝平成像道理制样弛的办法。

Francisco Mora from Colombia says the city of Bogota pays parents, so children do not have to work until they finish their basic education.

哥伦比亚的 Francisco Mora 说波哥大的城市是支付给家长，所以孩子在他们完成基础教育之前，不需要工作。

Either way, they would be reminders that major urban publications do not have to be the sole instruments for book reviewing.

不管什么方式，它提醒人们主要的城市出版物不一定是书评的唯一工具。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。