精品无码久久久久久国产_成人午夜在线视频一区_亚洲最大的av网站_亚洲欧美综合区自拍另类_91精品国产一区_日韩精品中文在线观看_一道本无吗dⅴd在线播放一区_国产精品旅馆在线_欧美午夜久久久_亚洲自拍在线观看_黑人精品xxx一区一二区_亚洲精品日韩久久久_在线视频一区二区_国产欧美久久一区二区_中文字幕精品在线视频_成人欧美在线观看

Knowledge is a consequence of experience.

One ought never to turn one's back on a threatened danger and try to run away from it. If you do that, you will double the danger. But if you meet it promptly and without flinching, you will reduce the danger by half.

每一部電影都是一次旅程，每一次旅程都是一部電影。

The transition to cleaner energy must be practical, affordable, and reliable.

The past is always tense, the future perfect.

今天我們種下的每一棵樹，都是留給素未謀面的后代的遺產(chǎn)。

最大的風(fēng)險(xiǎn)是不冒險(xiǎn)。