爱、快乐和相聚的温暖感觉不需要付出任何代价。

Love, joy and the warm feeling of getting together don't cost a thing.

youdao

言下之意，就是钻石，一个很小的代价，爱的象征将永远延续下去。

Implies that the diamond is a small price to pay for a token of love that will last forever.

youdao

爱有代价，不过这代价值得付出。

Getting attached has its price, but it's worth it.

youdao