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

The only performance standard is Zero Defects.

殖民地代表著一個新人類計劃將被測試的場所。

"With a library you are free, not confined by temporary political climates. It is the most democratic of institutions because no one—but no one at all—can tell you what to read and when and how."

Character is much easier kept than recovered.

成功不是關于金錢或權力，而是關于產生影響。

The first prerequisite of a sound foreign policy is a clear understanding of one's own values.

統一自然界所有力的挑戰是幾十年來推動理論物理學發展的動力之一。