痛苦并不总能带来转变，有时它只是伤害。

出自汉·桓宽《盐铁论·通有》。天下的利益，没有人不想得到，因此要能够得到山中和海里的货物，便会不会不富有。这句话指出应大力开采山中和海里的物质资源。

We must strengthen international energy cooperation with an open and collaborative attitude to achieve mutual benefits.

做好研究的秘诀是始终保持轻微的工作不足状态。因为无法浪费几个小时，你可能会浪费数年时间。

I made you a great big chocolate sundae for dessert. But I had to eat it myself because I just heard on the radio that ice cream isn't good for dogs.“Disappointment isn't good for dogs either...