Seasonal duties
[经] 季节性关税
🧩 词语组成解析
seasonal
['si:zənl]
adj. 季节的，季节性的;周期性的;随季节变化的;
n. 关税（duty的复数）
🗣️ 情景例句
The plan is a simple one.
计划很简单。
The more a man knows, the more he see his ignorance.
大智若愚。
So while the rest of the world was trying to get rid of mosquitoes, Australia was encouraging this one.
因此，世界上其他地方在设法消灭蚊子的时候，澳大利亚却在促使这种蚊子大量繁殖。