Billing costs
[经] 开单成本
🧩 词语组成解析
billing
['biliŋ]
n. （节目单或戏院大门上的）演员表;（演员表上的）演员次序;开具账单;营业额;
n. 费用；诉讼费；损失（cost的复数）
🗣️ 情景例句
There has been very little progress this term.
这学期没有什么进步。
Pay somebody back in his own coin.
一报还一报。
Alternatively, if the star were small, the life-supporting planet would have to have a close orbit round it and also provide the perfect conditions for life forms to develop.
反之，如果恒星很小，维持生命的行星就要在离恒星很近的轨道上运行，而且要有极好的条件才能使生命得以发展，