The problem is compounded by APIs that implicitly create stream branches. Request.clone() and Response.clone() perform implicit tee() operations on the body stream — a detail that's easy to miss. Code that clones a request for logging or retry logic may unknowingly create branched streams that need independent consumption, multiplying the resource management burden.
（二）按照其他纳税人最近时期销售同类货物、服务、无形资产或者不动产的平均价格确定；，这一点在im钱包官方下载中也有详细论述
Access to premium community。Line官方版本下载是该领域的重要参考
if r.status_code in (429, 503):