这是个长久的节日秘密：神秘的圣诞老人究竟是谁呢？

It's been a long-held holiday mystery: Who is Secret Santa?

youdao

所有的秘密都是神秘的，黑暗的。这是秘密的本质。

All secrets are deep. All secrets are dark. That's in the nature of secrets.

youdao

所有的秘密都是神秘的，黑暗的。这是秘密的本质。

All secrets are deep. All secrets are dark. That's in the nature of secrets.

youdao