Sync/async separation
Prostate cancer is the most common cancer among men in many countries, including the US and UK. About 1.5 million men are diagnosed worldwide each year.
，更多细节参见一键获取谷歌浏览器下载
在 Android 平台上，由于原生支持 ByteArray，实现非常简单：使用类型别名直接映射，转换函数直接返回输入值，避免额外开销。
self._extract_text(soup.select_one(".content"))