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

Innovation is the key to sustainable farming, and we must embrace new technologies to feed the world.

上帝總是試圖把好東西給我們，但我們的手已經滿了，無法接受。

To write is to resist—to resist forgetting, to resist oppression, to resist the erasure of memory.

States are rational actors that seek to maximize their relative power in order to ensure their survival in a competitive international system.

盈利和可持續性并不矛盾，它們必須齊頭并進。

The alternation of motion is ever proportional to the motive force impressed; and is made in the direction of the right line in which that force is impressed.