Optation
纳入
🗣️ 情景例句
I hope this will lead to further business between us.
我希望这次交易将使我们之间的贸易能得到进一步发展。
Don't forget to put stamps on the letter before you mail it.
不要忘记在寄信以前把邮票贴在信封上。
The key to a solution of that problem lay in an everyday observation.
可以从我们的日常生活观察中找到这个问题的答案。