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Rule of 7 in research. You can find out anything if you are willing to go seven levels. If the first source you ask doesn’t know， ask them who you should ask next， and so on down the line. If you are willing to go to the 7th source， you’ll almost always get your answer.

沒(méi)錢不要到人前去，遭難就別去尋親探友。

Man barricades against himself.

Sustainability isn't just a buzzword; it's the foundation of responsible mining.

要發(fā)出緊急信號(hào)，使用“重要的事情說(shuō)三遍”的“三”法則；三次呼喊、三聲喇叭或三聲哨聲。

每部小說(shuō)都是進(jìn)入人類心靈未知領(lǐng)域的旅程。

我的祖國(guó)是葡萄牙語(yǔ)。