* 核心思路：倒序单调栈（适配你的学习习惯），时间复杂度O(n)，空间复杂度O(n)
[ anyVar isNil ifTrue: anyBlock ] bpattern with: [ anyVar ] -> [:pattern | pattern beVariable ]
，更多细节参见WPS官方版本下载
'Don't suffer in silence'
Some 91.9% of five-year-olds had received one dose of the MMR vaccine, unchanged from 2023/24 and the lowest level since 2010/11, according to the UK Health Security Agency.
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