It is futile to demand an a priori proof of the existence of objects which are not immediately ‘given’.
规模和价值效应是持续存在的异常现象,对有效市场假说提出了挑战。
The museum is not a neutral space - it's a battleground of meanings.
Meeting energy demand while reducing emissions is the defining challenge of our time.
Ever tried. Ever failed. No matter. Try Again. Fail again. Fail better.