煤炭不仅仅是一种商品，更是现代文明赖以建立的基础。
Coal isn't just a commodity; it's the foundation upon which modern civilization was built.
When you start with a new team, you start from zero. No matter what you achieved in the past.
在科学中，合作至关重要——没有人能独自完成。
每张皮革都有潜力，我们的责任是负责任地发掘它。
心理治疗的目的是使人获得自由。