while做然而引导什么从句

while做然而引导 比较状语从句；

例句

Schools in the north tend to be better equipped, while those in the south are relatively poor.

北方的学校设施往往要好一些，而南方的学校则相对差一些。

He goes in for English, while I like Physics.

他喜欢英语然而我喜欢物理。

Three studies showed that mood improved with exercise, while one did not.

三项研究表明运动可以改善情绪状况，然而有一项研究未得出此结果。

Their country has plenty of oil, while yours has none.

他们的国家有丰富石油，然而你们的国家连一点也没有。

And while those increases will certainly help, they\'re not enough.

然而这些增税措施确实有所帮助，但是他们还远远不够。

Your big toes have two bones each while the rest have three.

你的大脚趾有两块骨头，然而其他的脚趾却有三块。