Policy decision costs
[经] 政策决定的成本
🧩 词语组成解析
n. 费用；诉讼费；损失（cost的复数）
🗣️ 情景例句
to work out a program
想研拟一项计划
It's faster but more expensive to ship goods by air.
空运较快但运费较高。
This is my friend, Ann. Ann, this is Uncle Wang.
这是我的朋友安。安，这是王叔叔。