解释:割地给秦国(来求得暂时的安稳),就好像抱着木柴救火一样,木柴烧不不完,火就不会灭。
The poor are often forced to make choices that no one should have to make.
The double helix structure of DNA is not only beautiful but also elegantly simple.
哦,悲伤,我的灵魂如此悲伤,因为,因为一个女人。
数学不仅仅是关于数字、方程、计算或算法:它是关于理解的。