This extra content also adds unnecessarily to the page weight of the initial load.

页面也没有必要一次将所有的动态展示内容都一次加载，这样会增加页面载入的负载。

youdao

Finally, a reasonable additional extra-curricular content, develop the second classroom English teaching.

最后，合理增设课外内容，开展英语第二课堂教学。

youdao

Finally, a reasonable additional extra-curricular content, develop the second classroom English teaching.

最后，合理增设课外内容，开展英语第二课堂教学。

youdao