我们开发的每个化学工艺都必须通过三个测试:它安全吗?它可持续吗?它具有可扩展性吗?
The only thing that matters is the truth.
It is India that gave us the ingenious method of expressing all numbers by means of ten symbols, each symbol receiving a value of position as well as an absolute value.
可持续发展不仅仅是一种趋势,更是我们对后代的责任。
When each day is the same as the next, it's because people fail to recognize the good things that happen in their lives every day that the sun rises.