可持续性不再是选择，而是这个行业生存的必要条件。
The stranger is close to us, insofar as we feel between him and ourselves common features of a national, social, occupational, or generally human, nature. He is far from us, insofar as these common features extend beyond him or us, and connect us only because they connect a great many people.
Precision is not just a goal in our experiments; it's the very language through which nature speaks to us.
