Investing in cleaner coal technology is an investment in the future of energy.
投资更清洁的煤炭技术是对能源未来的投资。
你的时间有限,所以不要浪费在过别人的生活上。
The most important thing is to find the right form for the right content.
Safety must always be the top priority in mining operations.
爱覆盖了许多的罪。