In the world of mathematics, every question leads to another, creating an endless web of knowledge that connects all areas of science.

China Gold should become a world-class mining company.

自然界的普遍法则大多不是直接感知的对象。

释义：跟交情浅的朋友说过多的隐私的事情，是愚蠢的。提醒人们在与人交往时，要根据实际情况和关系的深浅，采取适当的态度和行动。

真正的爱国主义不排斥对于其他人的爱国主义的理解。