Translation of "Consuming" in Chinese

This is a very time-consuming task.

這是一件十分耗時的工作。

On the client side, very time-consuming operations should run asynchronously so as to avoid freezing the browser. The best example is the operation of Ajax.

在浏览器端，耗时很长的操作都应该异步执行，避免浏览器失去响应，最好的例子就是 Ajax 操作。