When you start to work, I'll give you $ 2,500 a month.
开始上班时,给你每月2500美元。
I left the house at 8 o'clock and got to work at 8:30.
我在8点钟离开了房子并且在8:30上班了。
Alternatively, if the star were small, the life-supporting planet would have to have a close orbit round it and also provide the perfect conditions for life forms to develop.