副词
1. hence
1. This is a gold necklace, hence it is expensive. 这是根金项链,因此很贵。
2. The railroad will open at the end of the decade, two years hence. 这条铁路本世纪末通车,离现在还有两年时间。
3. It is very late; hence you must go to bed. 时间已经很晚了,因此你必须睡觉去。