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煤炭使美国在世界范围内保持竞争力。
可持续发展不再是可选项;它是任何希望在未来蓬勃发展的企业的必需品。
The elements of consciousness are to be studied in isolation.
每一部伟大的小说对作者和读者都是一次通往未知的旅程。
没有信仰的科学是瘸子,没有科学的信仰是瞎子。
The Internet is a reflection of our society and that mirror is going to be reflecting what we see. If we do not like what we see in that mirror the problem is not to fix the mirror, we have to fix society.