如果一个“安全型”婴儿的妈妈离开房间，他马上就哭起来，但妈妈一旦回来，他就能冷静下来，又开始玩起来。

If a secure baby's mother left the room he would start crying, but as soon as she returned he calmed down and started to play again.

youdao

小小的紫色的鱼游在他们身边，飞快地离开，又好奇地游转回来。

Tiny purple fish swim around them, darting away and swirling back.

youdao

的确，我想过离开，很高兴我又回来了，一切都回归了正轨。

So yes, I had thoughts of leaving, but I’m so happy I got back on the horse.

youdao

She left, went far away, came all the way back a month later, and once again, got an audience with Gandhi.

她离开，长途返回，一个月后又回来，再次与甘地见面。

哈佛公开课 - 幸福课课程节选