It's a serendipitous and moving, momentary experience Yeats describes.

叶芝描述的是种侥幸得到的，感人的短暂的体验。

耶鲁公开课 - 现代诗歌课程节选

Although it would make me very, very sad to discover this, I suppose it's possible some of you have such bad lives that moving on to the experience machine would be a step up.

虽然我会很难过，我想你们中有些人一生不顺,连接上体验机器可能是个好转。

耶鲁公开课 - 死亡课程节选