以交易为生 Trading for a living
交易为生
Make a living by trading
以上为机器翻译结果，长、整句建议使用 人工翻译 。
假如说有人想以机械交易为生。
Suppose someone wants to trade mechanically for a living.
youdao
他靠制作镜片交易为生。
He was a spectacle-maker by trade.
几年后，丹尼斯更直接，他说：“以交易为生是合法的，符合道德的。”
Years later, Dennis was even more direct, saying that "the market was a legal and moral way to make a living."
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