You can? T just remove a portlet from the page because this causes resource leaks.

不能仅从页面删除portlet，因为这会引起资源泄漏。

youdao

With Ajax, you can have a single-page application stay in the browser for days, magnifying any problems with memory or other resource leaks that may occur.

使用Ajax可以在浏览器中保持一个单页面应用程序长达数天，这使内存或其它资源泄漏更加严重。

youdao

Supply-line leaks, and what appeared to be an accidental post on Samsung's apps page, suggest that a smaller S4 smartphone might be one of them.

CNN: Samsung teases new products at 'premiere' event