elif response.status_code in (429, 503):
A function can return Result when the outer and inner operations can both independently fail, though this is rare and usually a sign you should restructure:。新收录的资料是该领域的重要参考
，详情可参考新收录的资料
但对于深陷红海的智界和尚界，挽救销量的关键不在于感知硬件的军备竞赛，而在于精准的市场定位、有竞争力的定价和清晰的品牌故事。单靠某个技术，终究无法解决所有品牌的问题。。新收录的资料是该领域的重要参考
To understand where we use WebRTC, the image below helps.