I'll have to stand up and let the elderly lady have my seat.
我得起来把座位让给这个老婆婆。
A book is the same today as it always was and it will never change.
一本好书今天如此,将来也如此,永不改变。
In their efforts to persuade us to buy this or that product, advertisers have made a close study of human nature and have classified all our little weaknesses.