066 Man cannot live by bread alone.人活着不仅有物质需要，还有精神需要。

语法点 介词by的意义和用法

说明

1．由，被。如：

It is your own fault if you are deceived by the same man twice．被同一个人骗两次只能怪自己。

2．凭借，靠，用，以。如：

He who lives by hope will die by hunger．靠希望生活的人将饥饿而死。

3．根据，按照。如：

Don't judge a book by its cover．人不可貌相。

4．在……旁，经过……旁。如：

By the side of sickness health becomes sweet．和疾病相比较，健康显得可贵。

5．到（某时）之前，不迟于。如：

He promised to be back by 10 p.m．他答应晚上10点之前回来。