（二）其他行李，应当在行李交还前或者交还时提交。
Фото: Maksim Konstantinov / Global Look Press，推荐阅读im钱包官方下载获取更多信息
，详情可参考体育直播
Никита Абрамов (Редактор отдела «Россия»)，更多细节参见体育直播
For implementers, this promise-heavy design constrains optimization opportunities. The spec mandates specific promise resolution ordering, making it difficult to batch operations or skip unnecessary async boundaries without risking subtle compliance failures. There are many hidden internal optimizations that implementers do make but these can be complicated and difficult to get right.