国家
解释：遵守礼制，可使国家长久，使社稷安定，让人们尊卑有别，上下有序，对后代是有益处的。
What we need to do is to ensure that every Chinese person can drive a car produced by their own country.
The automotive industry is a reflection of a country's comprehensive strength; without a strong automotive industry, there can be no strong nation.
States are rational actors that seek to maximize their relative power in order to ensure their survival in a competitive international system.
The best way to ensure peace is to maintain a balance of power among the major states.
The anarchic nature of the international system means that states must rely on self-help to ensure their survival.
International politics is a ruthless and dangerous business, and it is foolish to expect states to behave according to moral principles.
The tragedy of great power politics is that even well-intentioned states are forced to act in ways that can lead to conflict and war.