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
while you're at work.
在你工作的时候。
Won't you buy me a newspaper on your way home?
回家的时候，替我买份报纸好不好？
Meanwhile, a microphone, which was lowered into the mine two hours ago, has enabled the men to keep in touch with their closest relatives.
与此同时，两个小时以前放下井去的一只麦克风使井下的人可以与其亲属保持联系。