Innovation in natural gas extraction is key to meeting the world's growing energy demands while reducing environmental impact.

The will to win is important, but the will to prepare is vital.

To signal an emergency， use the rule of three； 3 shouts， 3 horn blasts， or 3 whistles.

The essence of mathematics is not to make simple things complicated, but to make complicated things simple.

过度捕捞是对子孙后代的盗窃。

我将死了又死，以明白生是无穷无竭的。

最终，我们将记住的不是敌人的话语，而是朋友的沉默。