气候变化的挑战需要政府、企业和民间社会之间的合作。
Technology must return to its essence and solve real problems.
"When you are writing, you are trying to find out something which you don't know."
水产养殖的可持续性不是选择,而是唯一的前进道路。
Everybody, all politicians on Left and Right, agree that meritocracy is a great thing, and we should all be trying to make our societies really, really meritocratic. In other words -- what is a meritocratic society? A meritocratic society is one in which, if you've got talent and energy and skill, you will get to the top, nothing should hold you back. It's a beautiful idea.
中心地的等级反映了所提供的商品和服务的等级。