for all intents and purposes
从所有的这些看；在各种目的和意图之下；无论出于何种目的；
WIP: work in progress
FYI: for your information
ASAP: as soon as possible
a productive and successful life：飞黄腾达的人生
do sb. wrong 冤枉某人
a fair-weather friend 只能同甘，不能共苦
revolve around 围绕……转动，以……为中心
within seconds 几秒钟后
数字序号
Primary, Secondary, Tertiary, Quaternary, Quinary, Senary, Septenary, Octonary, Nonary, Denary, Undenary, Duodenary。
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