只要一支手写笔，或者一只鼠标，用户就可以在画布上绘制图片，且这并不需要程序员来跟踪或处理任何事件。

Using a stylus, or alternately a mouse, users can draw on the canvas without the developer needing to directly deal with tracking events.

youdao

它使得程序员可以处理异步事件。

It empowers a programmer to handle an asynchronous event.

youdao

当运行时错误被处理后，管理员必须使用管理控制台或失败事件管理器(FEM) api脚本重新提交失败事件。

Once the runtime errors are resolved, the administrator will have to resubmit the failed events using either the admin console or scripts that use the failed event manager (FEM) API.

youdao