色多多在线观看播放-色多多在线观看高清免费-色多多在线观看视频-色多多在线看-欧美aaaaa性bbbbb小妇-欧美aaaav免费大片

Forests are not just carbon sinks—they are life sources.

The most enduring changes come from understanding the root causes of problems, not just their symptoms.

計算機是一種交互式媒介，是第一個允許用戶操縱過程表示的媒介。

The challenge is to transform the constraints into opportunities.

"The world is a book, and those who do not travel read only a page."

A director's vision is the soul of the film; without it, the film is just a series of images.