不要装可爱：不要使用表情，缩写，鲜艳的颜色，以及不正规的邮件字体。
Don \ 't get cute: save emoticons, abbreviations, wild colors, and fonts for your non-professional emails.
还有用来改变颜色的缩写。
Abbreviations also exist to change colors. Here is another sample to demonstrate.
缩写为红色，格林，的蓝色白光的组成部分颜色。
Abbreviation for Red, Green, Blue which are the component colors of white light.
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