social cleavage的用法和樣例：
例句
- Other common themes are social fragmentation and transience.
其他常見(jiàn)的主題是社會(huì )分裂和無(wú)常。 - High unemployment and underemployment waste human resources, exacerbate poverty, and sometimes lead to social disintegration.
高失業(yè)率及未充分就業(yè)浪費了人力資源，使貧窮問(wèn)題惡化，有時(shí)候更會(huì )導致社會(huì )分裂。
