Monendomorphism
单一自同态
🗣️ 情景例句
That leaves a lot to be desired.
太不让人满意了。
Don't forget to take care of him.
不要忘记照顾他。
These days, it is differences in national regulations, far more than tariffs, that put sand in the wheels of trade between rich countries.
当前，是各国管理条例上的差异，而不是关税阻碍了发达国家之间的贸易。