我们不是在卖水，我们是在卖健康和生活品质。

"You can't stop the future, you can't rewind the past, the only way to learn the secret is to press play."

The first fruit of this imagination - and the first lesson of the social science that embodies it - is the idea that the individual can understand his own experience and gauge his own fate only by locating himself within his period, that he can know his own chances in life only by becoming aware of those of all individuals in his circumstances.