How could they know what would or would not represent suitable business dress?

他们怎么知道哪些才是合适的商务装？

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If you own one, pair it with black shoes, and save the outfit for funerals and strict business dress occasions.

如果你有一件黑色的西装，就搭配一双黑色的鞋子吧。然后把这套衣服留给葬礼或是严肃的商务着装场合。

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Business dress is formal and conservative. Men should wear a suit and women should wear either a dress or a suit.

商务穿着偏正式和保守。男人穿西服，女人也要着套装。

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"It blows me away regularly, " says the avid outdoorsman, whose offices make casual business dress look formal.

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"In terms of business dress, I believe Silicon Valley has done more to change fashion than any other force, " says Ford.

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Firstly, business casual dress varies between men and women.

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