No love, no grudges, the heart frank; life, there are bittersweet; life, there are ups and downs. Learn to wave the sleeve calmly, warm smile without sorrow; happy, not have more, but less to count; optimistic, not no trouble, but know how to be contented ......

The law of this age is that there is no absolute fair competition, accept this, and then arm yourself to throw yourself into the bombardment of unfair competition. Going along with the laws is also Darwinism.