The key to success in trading is discipline and risk management.
The value of unpaid work is often invisible in economic measures, yet it is the backbone of society.
爱让彼此找到方向。
The best way to live is to follow your heart.
如果你想成功，就必须愿意做出艰难的决定。
光的理论实际上是弹性介质振动的理论。