They had employed heavies to evict squatters from neighbouring sites.
他们雇了一些打手,以赶走来自邻近地区的私自占地者。
《柯林斯英汉双解大词典》
2
Detect changes in the underlying data, and then either evict the changed data from the cache (which will cause it to be reloaded on demand), or reload the updated data into the cache.