而即便基督徒數量可能持續下降，神職人員也觀察到：留下的信徒比過往更投入、更熱情地實踐信仰。
drop-oldest: Drops the oldest buffered data to make room. Useful for live feeds where stale data loses value.。同城约会是该领域的重要参考
For transforms that need cleanup on abort, add an abort handler:。业内人士推荐下载安装 谷歌浏览器 开启极速安全的 上网之旅。作为进阶阅读
developed by an IBM researcher named Horst Feistel. Feistel, for silly reasons,
while current_url and current_url not in self.seen_urls: