And it's not so much that we're governed by pleasure and pain, as much as we're governed by our perception of what is pleasurable and what is painful.

我们并不是被快乐和痛苦本身控制着，而是被快乐和痛苦的那种感觉控制着。

youdao

For even the enjoyment of present pleasure is painful, since we already fear its loss.

即使当前喜乐的享受也是痛苦的，因为我们已在担心会失去它。

youdao

Remembrance is painful, or remembrance may give one pleasure, but the pleasure is rather fading because sorrow is overriding.

回忆是痛苦的，或许它可能给我带来一丝欢乐，却因悲痛的来临而黯然失色。

youdao

For this treatment to befall that group of Americans who, by their own lights, got the decade mostly right to be so reviled and so vindicated inflicted a kind of painful pleasure.

NEWYORKER: Coming Apart