Postage costs
[经] 邮资成本, 邮费
🧩 词语组成解析
n. 费用；诉讼费；损失（cost的复数）
🗣️ 情景例句
I ofter go shopping during National Day holiday.
我经常是在国庆节购物。
Praise makes good men better, and bad men worse.
赞扬使好人更好，坏人更坏。
It was from the study of these that so much was learnt about the interior of the earth.
正是从这两种波的研究中，我们可以了解到地球内部的许多情况。