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The interplay between analysis and algebra is the driving force behind many breakthroughs in number theory.

The bond market is the smartest market in the world.

?Happiness is at your feet, if only you are willing to lower your head and look for it.

泉水雖可共享,但誰又能否認，在水罐中所盛的水只屬于取水的人呢？

眼睛同時看兩樣東西，就會看不明白；耳朵同時聽兩種聲音，就會聽不清楚。