市场剧烈的波动并没有让那位资深交易员慌乱，他已经经历了三次经济衰退。
The market's wild fluctuations did not perturb the veteran trader, who had seen three recessions come and go.
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解释
使不安——在金融动荡中凭借丰富经验保持镇定
The market's wild fluctuations did not perturb the veteran trader, who had seen three recessions come and go.
使不安——在金融动荡中凭借丰富经验保持镇定