Parents wonder why the streams are bitter, when they themselves have poisoned the fountain.
通货膨胀无论何时何地都是一种货币现象。
皮革的真正价值在于其耐用性和永恒的吸引力,而不仅仅是其美观性。
If you don’t make mistakes, you’re not working on hard enough problems. And that’s a big mistake.