科技领域最大的风险是不冒任何风险。

In all affairs， it's a healthy thing now and then to hang a question mark on the things you have long taken for granted.

The very definition of the real becomes: that of which it is possible to give an equivalent reproduction... The real is not only what can be reproduced, but that which is always already reproduced. That is the hyperreal.

股市在短期内是投票机，在长期内是称重机。