The heart is a fragile thing, easily broken, but also capable of immense love and resilience.
感谢你的员工为业务所做的一切。没有什么能比得上几句精心挑选、时机恰当、真诚的赞美之词。它们绝对是免费的,而且价值连城。
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.