由于在在线领域中证明某个实体的身份非常困难，认证权威就接管了这个挑战。

Because verifying identity in the online world is difficult, certificate authorities take over that challenge.

youdao

由于在在线领域中证明某个实体的身份非常困难，认证权威就接管了这个挑战。

Because verifying identity in the online world is difficult, certificate authorities take over that challenge.

youdao