The march of science and technology does not imply growing intellectual complexity in the lives of most people. It often means the opposite.

Attosecond science allows us to capture the fastest motions in the microcosm, like freezing the wingbeat of a hummingbird.

质量是企业的生命，是品牌的基石。

每一种东西的价格都会因时间和地点的不同而涨落；每一次这样的变化都会改变货币的购买力。