It has been no use buying smaller stocks, or value stocks (those that look cheap in terms of earnings, assets or dividends); all have fallen by a similar amount.
购买市值较小或是价值股(就其利润、资产或是分红来说相对低估的股份)也无济于事。所有跌幅都相差无几。
They just want to get the right answer, and if part of the right answer has already been discovered by someone else, that's no reason not to use it.
他们一心想得到正确的答案,因此如果正确答案的某些部分已经被人发现了,那么没有理由不用它。
While male contraception has been studied before, no method met the stringent safety and effectiveness criteria that female methods do. It was also unclear whether men would use them.
关于男性避孕术已经早有研究,但还没发现一种比女性避孕术更安全有效的方法。而且,尚不能确定男性是否愿意使用这些方法。
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