所以英明的君主治理国家，明确奖赏民众就会努力立功，严厉刑罚民众就会遵守法律。
It was the best of times, it was the worst of times, it was the age of wisdom, it was the age of foolishness, it was the epoch of belief, it was the epoch of incredulity, it was the season of Light, it was the season of Darkness, it was the spring of hope, it was the winter of despair, we had everything before us, we had nothing before us, we were all going direct to Heaven, we were all doing direct the other way.
如果你不改变，你就会灭绝。
Technological leadership is the foundation of petrochemical enterprises, and we must continuously increase R&D investment.