Contingent duty
[经] 应变关税
🧩 词语组成解析
🗣️ 情景例句
Do you want a state-of-the-art machine?
你想要台配置最好的机器吗？
My schedule is very flexible, and I am given a lot of freedom.
我的工作表很有变通性，使我十分自由。
She's been there for two months. She's been there since September.
她进校有两个月了。她自9月份起便在那儿学习了。