If a listener nods his head when you're explaining your program, wake him up.
The future of petrochemical industry lies in sustainable development.
I like stories where the boundaries between reality and fantasy are blurred. I like the idea that the world is not as simple as it seems.
认为有钟声会信号投资者何时进入或退出股市的想法根本不可信。
我们应该为人们的诞生而哭泣,而不是为他们的死亡。