mutable

Urban lifestyle retreats are in high demand and they are much more than mutable trends.

城市的生活方式，退有很高的需求，他们更比变动趋势。

The Three Concurrency Goblins are all spawned from the same pit of evil: shared access to mutable state.

三个并发哥布林都产生于同样的邪恶陷阱：共享可更改状态的访问权。