leftArr[i] = arr[left + i];
def parse_detail(self, url: str, html: str) - Optional[Item]:
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“到时候”是什么时候？不早点把“火”烧起来，怎么出政绩？带着一连串问号，大家都在拭目以待。
但是他偶爾仍須向民眾，尤其是黨內幹部，保證他的做法具有一定合理性。
"A lot of stately homes will have that system," says Niki Johnson, fire systems technical adviser for the UK Fire Association, a trade body, and owner of fire detection firm Derventio Fire and Security. "You could be looking at £3-4,000 just to do a corridor." Such installations require substantial pipework, he explains.