我们需要一些内行的帮助。
任何一位内行的葡萄酒商人都能为你提出建议。
Any knowledgeable wine merchant would be able to advise you.
我从没遇到过内行的或是善于交际的人。
I have never met anybody either professionally or socially that says.
The trading commissions will eat up all of your profits and professionals know that, so it's bad behavior.
交易佣金会吃掉你所有的利润,内行人知道这点,这是不道德的行为
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