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病毒的复杂性提醒我们,关于生物学我们还有很多需要学习。
俄罗斯法律的严厉性因缺乏强制执行的义务而得到缓和。
The only thing I can rely on is my own perception, and that is always changing.
Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.