Coal miners don't just dig in the dirt, they dig for progress.
煤矿工人不仅仅是在挖土,他们是在挖掘进步。
The true challenge in mathematics is not solving problems, but asking the right questions.
身份是脆弱的东西,容易丢失,难以重获。
Science is not just about facts; it's about asking the right questions.