You might assume this pattern is inherent to streaming. It isn't. The reader acquisition, the lock management, and the { value, done } protocol are all just design choices, not requirements. They are artifacts of how and when the Web streams spec was written. Async iteration exists precisely to handle sequences that arrive over time, but async iteration did not yet exist when the streams specification was written. The complexity here is pure API overhead, not fundamental necessity.
（二）主动消除或者减轻违法后果的；
，详情可参考搜狗输入法下载
A gig by rock band The Black Keys was then postponed, followed by a concert by US rapper A Boogie Wit Da Hoodie, which was called off when part of the ventilation system fell to the floor shortly before doors were due to open.
过去，这种价值主要通过聚合流量、简化交易来实现。如今，在产业升级的宏大命题下，这一价值正通过更重、更深、更复杂的赋能得以延续和放大。
In Pakistan too, gathering verified information from border areas independently is not easy.