Ecla
(联合国)拉丁美洲经济委员会
🗣️ 情景例句
I'm so sorry.
很对不起。
If you want knwledge, you must toil for it.
若要求知识，必须刻苦学习。
They are often more industrious, useful citizens than those who are never late.
他们与那些从不迟到的人相比，常常是更勤奋有用的公民。