技术创新的核心是解决实际问题,而不是为了创新而创新。
The past is a foreign country; they do things differently there.
That's one small step for (a) man, one giant leap for mankind.
I think that age is a very high price to pay for maturity.
我们要以开放合作的态度,加强国际能源合作,实现互利共赢。