When your mouth gets dry, there isnt enough saliva to wash away dead cells.

当口腔变得干燥时，口中便没有足够的唾液将坏死细胞冲走。

youdao

There isnt anyone who is absolutely bad or good in the world.

在这个世界上没有好到极致又或者是坏到极致的人。

youdao

Sometimes, however, there simply isnt a clear explanation for why an interview isnt going well. Sometimes, no matter what you do or say, an interview just fizzles.

但是有时候，并没有一个清楚的理由来解释为什么面试变得很失败，有时候，不管你说什么做什么，面试就是失败了。

youdao

Im not the first to point out that the study design has some issues, and in any case proving there isnt a difference is hard (this only shows that they failed to find a difference between drugs and dieting).

FORBES: What If Dieting Merely Lets Diabetics Take Fewer Medicines?