You must take personal responsibility. You cannot change the circumstances, the seasons, or the wind, but you can change yourself.
You just once young but may be immature indefinitely.
创造高效和选择性催化剂的挑战让我每天都充满动力。
传记是最亲密的历史形式。
The future of coal lies in balancing environmental responsibility with energy demands.
Your 20s are the most defining decade of your life.