Time how long it takes you to answer the questions.

　　記一下自己回答這些問題所需的時(shí)間。

　　It's time we got on to the question of costs.

　　我們該討論成本問題了。

　　I spent most time on the first question.

　　我在第一個(gè)問題上花的時(shí)間最多。

　　I need a simple yes or no to my questions.

　　我的問題只需要簡單地回答是或不是。