The key factor: Interest rates.
关键因素是：利率。
Monitor your open rates, click rates, and other key indicators.
管理自己邮件的打开率、点击率及其它重点指标。
The key question is when will rates rise and how will stocks handle the increase.
关键问题是何时加息以及股市会做出怎样的反应。
The key question is when will rates rise and how will stocks handle the increase.
关键问题是何时加息以及股市会做出怎样的反应。
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