Noncommercial
a. 非經(jīng)營的
?? 反義詞
??? 情景例句
I heard that some tours actually go down into the canyon. Is that true?
我聽說有的旅游團真正下到峽谷里去了。那是真的嗎？
The best teacher one can have is necessity.
我們能得到的最好教師是“需要”。
I was very tired this morning. I couldn't get up.
我早上很累，起不來。