working-day cost 台班使用费
Half day cost 半天费用
bed day cost 床日成本
day-rate cost 日成本
Every day low cost 物超所值
The rising cost per day 成本每天在不断上涨
Cost Per Day 按天收费
cost-per-day basis 每天成本基价
cost per patient day 每个住院日的费用
The cost of starting up a day-care centre for children ranges from $150,000 to $300,000.
开办一家儿童日托中心的费用在15到30万美元之间不等。
The physicist expects the lenses to cost about a dollar a pair, about the same as conventional one-day disposable lenses.
这位物理学家预计这种隐形眼镜每副大约1美元，和传统日抛隐形眼镜的价格差不多。
We'll send out the manuals this afternoon by express mail entirely at our cost, and the manuals should arrive tomorrow or the day after at the latest.
我们将在今天下午通过快递将手册全部寄出，邮费由我们承担，这最迟明天或后天就可以送到。
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