外教讲解地道美语 第203期(外教讲解):理解股市

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plunge n.猛跌

weigh in 起作用

portfolio n.投资组合

stockbroker n. 股票经纪人

profitable adj. 有利润的, 赚钱的

yield n. 投资收益

bond n. 债券

think outside the box 跳出固有的框框