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Quality should never be compromised, not even for the sake of speed.

When life seems hard, the courageous do not lie down and accept defeat; instead, they are all the more determined to struggle for better future.

The impact of unions on wages and employment is often misunderstood.

過去是一個(gè)陌生的國(guó)度；那里的人做事方式不同。

數(shù)學(xué)是宇宙書寫其最深?yuàn)W秘密的語言。