# What is the lesson here?
The API recognizes that synchronous data sources are both necessary and common. The application should not be forced to always accept the performance cost of asynchronous scheduling simply because that's the only option provided. At the same time, mixing sync and async processing can be dangerous. Synchronous paths should always be an option and should always be explicit.，更多细节参见爱思助手下载最新版本
Joe FayTechnology Reporter，详情可参考WPS下载最新地址
Фото: Kevin Lamarque / Reuters。关于这个话题，同城约会提供了深入分析