wait_for_not_none is particularly useful since we love type safety:
聚焦全球优秀创业者，项目融资率接近97%，领跑行业
。旺商聊官方下载是该领域的重要参考
Lex: FT's flagship investment column
"You know what I love? I've become someone who smiles at everybody which I think as a Londoner you are not," she said.