如果不接近，就说明经营中有了变化，可能是向好也可能是向坏，这时你就要更深入的研究一下，找出是怎么回事了。

If they are not, something is changing in the business, either for the good or the bad and you need to dig deeper to find out what.

youdao

这时你就要考虑一下自己的个性会如何影响自己的判断。

You have to consider how your personality might be affecting your judgment.

youdao

但如果反应涉及一系列更复杂的变化，或是在转化中酶会被消耗殆尽，需要再次添加，这时就要微生物来帮忙了。

But if a more complicated series of reactions is required, or the enzyme in the process is used up during conversion and needs to be regenerated, it is time to reach for a microbe.

youdao

And as they were past they see that a small child has fallen into the pond and is in danger drowning.

这时，你看到,一个小孩掉进了池塘,就要溺水，情况危急。

普林斯顿公开课 - 人性课程节选

Now during all of this-- problems for the personality theory, problems for the body view--during all of this, the soul theorist is having a field day.

在这一切之中-,人格理论出现麻烦，身体理论也不免问题丛生，这时灵魂理论者就要窃笑了。

耶鲁公开课 - 死亡课程节选