题目
请帮我解释两个英语短语~
1,commercial break
2,profit margin
请帮我用英语解释并翻译成中文~
1,commercial break
2,profit margin
请帮我用英语解释并翻译成中文~
提问时间：2020-10-12
答案
commercial break（广播、电视中插播的）商业广告
A commercial break usually consists of at least two advertising spots; in exceptional cases,however,individual spots are also permissible.There are two kinds of commercial breaks:
Flanking commercial break,placed before or after a program;
Interruptive commercial break,placed within a program.
profit margin [经]利润率；边际利润率
the ratio gross profits divided by net sales
A commercial break usually consists of at least two advertising spots; in exceptional cases,however,individual spots are also permissible.There are two kinds of commercial breaks:
Flanking commercial break,placed before or after a program;
Interruptive commercial break,placed within a program.
profit margin [经]利润率；边际利润率
the ratio gross profits divided by net sales
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