?? 詞語組成解析
ad
[?d]
n. 廣告;網球中的優勢分advantage. ad in;
??? 情景例句
It's only a suggestion, and you can do what you please.
這只是個建議，你可按照你的意愿去做。
No matter where you go you'll meet nice people.
無論你到哪里，你總會遇到好人。
and because there is so much of it the function would seem to e important.
睡眠占去那么多時間，所以其作用似乎還是很重要。