Every scientific discovery should be measured by its contribution to human welfare.
每一项科学发现都应该以其对人类福祉的贡献来衡量。
The world is all that is the case.
The leather industry must evolve to meet both environmental standards and consumer expectations without compromising quality.
The best performance improvement is the transition from the nonworking state to the working state.
"Theatre is the art of the invisible made visible."