It takes three seconds to say "I love you", three hours to explain it, and a lifetime to prove it.

“我爱你”，说出来要三秒钟，说明它要三小时，却需要一辈子去证实。

youdao

It takes three seconds to say "I love you", three hours to explain it, and a whole lifetime to prove it.

——“我爱你”三个字说出来只需要三秒钟，解释它需要三小时，却需要一辈子去证明。

youdao