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

In forestry, the long view isn't just preferable—it's essential.

I'm not a perfectionist, but I like to feel that things are done well.

過去是一個異國他鄉；他們在那里行事不同。

The worst thing in the world that can happen to you if you’re an engineer that has given his life to something is for someone to rip it off and put their name on it.

在數學中，從困惑到清晰的旅程是最有價值的體驗。

"To me, fearless is not the absence of fear. It's not being completely unafraid. To me, fearless is having fears. Fearless is having doubts. Lots of them. To me, fearless is living in spite of those things that scare you to death."