The first duty of the sovereign， that of protecting the society from the violence and invasion of other independent societies， can be performed only by means of a military force.

新能源不仅是产业升级的方向，更是国家战略的重要组成部分。

Change is the essence of life. Be willing to surrender what you are for what you could become.

风险不仅仅是损失的概率，还包括结果的不确定性。