始终使用止损单。
The present is a fragile bridge between the past and the future.
Courage to fail is just as important as the will to succeed.
数学中最令人兴奋的时刻是当你发现一些隐藏在显而易见之处的东西。
石化行业必须拥抱数字化转型以保持竞争力。