Complementariness
补充性
🗣️ 情景例句
When do you think we'll be through?
你认为我们什么时候能完毕？
There's no sense in going by boat when the plane is just as cheap and much quicker.
既然乘飞机和坐船一样便宜而且还快得多，那么就没有理由去坐船。
As it was extremely heavy, he dumped it on the counter.
布袋很沉，他重重地把布袋扔在柜台上。