Жители Санкт-Петербурга устроили «крысогон»17:52
延迟 — 用户需要等待响应，速度取决于网络连接质量
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Adam Levy investigates why researchers are sometimes reluctant to disclose their plans to colleagues.，这一点在heLLoword翻译官方下载中也有详细论述
Sometimes it takes a long time before I figure out what I actually want to write, and then everything falls into place:
def parse_detail(url, html):