燃气发动机是所有热机中最完美的，因为它结合了蒸汽机和内燃机的优点。

解释：礼用来推行道义，道义用来产生利益，利益用来使老百姓太平，这是治理国家的关键。

Protection of financial consumers' rights is an important guarantee for the healthy development of financial technology.

数学的历史是人类心灵独创性和创造力的证明。

Everyone can be taught to sculpt: Michelangelo would have had to be taught not to. So it is with great programmers.

Leadership in agriculture means planting seeds today that others will harvest tomorrow.

过去总是与我们同在，因为它滋养着现在。

动力学的方程在用变分法的语言表达时是完全的。