Technological innovation is the primary driving force for the high-quality development of the natural gas industry.

历史的重量是无法承受的，但我们必须承担它。

数学中发现的快乐就像解开宇宙留给我们的谜题。

We are all of us made by what we have lost as much as by what we have gained.

你必须在内心找到让你与众不同的东西。