기폭제

The act of accepting or receiving ideas, criticism, or people. It can also refer to the accommodation of people in a facility.

The ability of an individual or a system to adjust or change in order to suit different conditions or environments.

人口老龄化给社会保障体系带来了巨大压力。

阻碍进步、交流或运动的障碍或壁垒。“语言障碍是最大的挑战。”

偏向一方，或在观点、分配、行动上不平衡。

特定情况的实例；用于阐明观点或支持论点的例子。通常指实际发生的案例。

市民。居住在城市的人，或拥有权利和义务的社会成员。

根据收入、职业、教育程度等划分的社会阶层或等级。

To live together in a way that benefits both parties; to achieve mutual prosperity or a win-win relationship.

两件事物同时存在而没有冲突的状态；兼容性或共存。