我曾在洛杉矶当卡车司机，去城市学院读书，我想报名参加陶艺课，但已经满了。所以我报了建筑课。这是个意外。
I was a truck driver in LA, going to City College, and I tried to sign up for a class in ceramics, but it was full. So I signed up for architecture. It was an accident.
Perhaps as important is the relation between the existence of solutions to a competitive equilibrium and the problems of normative or welfare economics.
数十亿年来，大自然一直是最出色的生物工程师。
Transparency in aquaculture isn’t just good ethics—it’s good business.