The key to successful trading is to know when to buy and when to sell.
气候变化是全球森林面临的最大威胁,但也是我们创新的最大机会。
电影的美在于它让我们在一生中活出一千种生活。
The world has nothing to fear from military ambition in our Government.
Uncertainty is not the absence of information, but the presence of too much conflicting information.
不确定性不是信息的缺失,而是过多矛盾信息的存在。