By that time the new system should be up and running.
到那時(shí)這個(gè)新系統(tǒng)應(yīng)該會(huì)運(yùn)轉(zhuǎn)起來(lái)了。
Many people feel that the law should be changed.
許多人都覺得這項(xiàng)法律應(yīng)該修改。
The treatment should be repeated every two to three hours.
這種治療方法應(yīng)該每隔兩到三小時(shí)重復(fù)一次。
I think we should go back to first principles.
我認(rèn)為我們應(yīng)該回到基本原則上。
You should not go out in the heat of the day.
你不應(yīng)該在天最熱的時(shí)候外出。