// The ? propagates the error if sensor_id is invalid
strict (default): Rejects writes when the buffer is full and too many writes are pending. Catches "fire-and-forget" patterns where producers ignore backpressure.。业内人士推荐新收录的资料作为进阶阅读
。新收录的资料对此有专业解读
I can only hope this is a good sign, but the jury is out for now.
지난해 진행한 기부문화 심포지엄 ‘기빙코리아’ 현장.，这一点在新收录的资料中也有详细论述