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  • 請(qǐng)幫我解釋兩個(gè)英語(yǔ)短語(yǔ)~

    請(qǐng)幫我解釋兩個(gè)英語(yǔ)短語(yǔ)~
    1,commercial break
    2,profit margin
    請(qǐng)幫我用英語(yǔ)解釋并翻譯成中文~
    英語(yǔ)人氣:682 ℃時(shí)間:2020-03-19 08:33:10
    優(yōu)質(zhì)解答
    commercial break(廣播、電視中插播的)商業(yè)廣告
    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 [經(jīng)]利潤(rùn)率;邊際利潤(rùn)率
    the ratio gross profits divided by net sales
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