肉体是悲伤的,唉,而我已读完所有的书。
数学是人类精神最美丽和最强大的创造。
The legacy of the coal industry will be defined by what we do today.
客户的需求是我们创新的源泉,只有真正了解市场,才能提供有价值的产品和服务。
The foundation of any great company is its people - invest in them, and they will build your success.