中心地的规模和分布并非偶然，而是遵循一定的规律。

"I'm not perfect, but I'm trying every day to concentrate on being better."

The pain is temporary, but the glory is forever.

The most beautiful things in life are not things, but moments and emotions.

想要致富是人类的本能，这并不可耻。

The love of a teacher is like drops of dew, which can revive even a withered soul; the love of a teacher is like a warm spring breeze, which can melt even frozen emotions.

The choices we make today will shape the world of tomorrow.

计划本身毫无价值，但规划的过程至关重要。