Once the first avowal has been made, “I love you” has no meaning whatever.

一旦有了第一次的告白，“我爱你”就再没有任何意义。

youdao

Once, while we chatted, on MSN, I almost wrote I love you. Somehow, I managed to keep it in.

有次当我们在MS n上聊天时，我几乎写下“我爱你”，不过我还是没写出来。

youdao

My love for you I once expressed.

我曾经向你表达过的爱。

youdao

We don't always want to go and solve the Schrodinger equation, and in fact, once we start talking about molecules, I can imagine none of you, as much as you love math or physics, want to be trying to solve this Schrodinger equation in that case either. So, what Lewis structures allow us to do is over 90% of the time be correct in terms of figuring out what the electron configuration is.

我们并不想每次都去解薛定谔方程，而且实际上，一旦我们开始讨论分子，我可以想象,你们中没有一个人，不管你有多么热爱数学或物理，会想去解这种情况下的薛定谔方程,总之，路易斯结构能让我们,有超过，90%，的概率判断出正确的,电子排布。

麻省理工公开课 - 化学原理课程节选

But I don't know, like, once you get a good dose of love and somebody come and they talk to you and kind of pamper you back to wellness, it's all worth the ride.

NPR: Anthony Hamilton: 'Ain't Nobody Worryin'