此情可待成追忆，只是当时已惘然。
引用李商隐《锦瑟》诗句，表达对往事的怅惘
改变，就像治愈一样，需要时间。
Speech is the shadow of action; action is the manifestation of speech.
Don't just sell products—sell values and vision.
Learning is not a passive process; it involves the active construction of knowledge.
记忆是我们无法被驱逐的唯一天堂。