translation.en: Now this encrypted data is sent through the server to Alice, and because the message was encrypted using Alice's public key, the only key that can now decrypt it is a private key that belongs to Alice, and it turns out Alice is the only person that actually has this key.
translation.zh: 现在加密的讯息 通过服务器传送给Alice， 因为信息经Alice的公钥加密， 只有Alice的私钥才能解开它。 而这把私钥只有Alice拥有。