原级：pseudonym
1. The relevant copyright law in China also claims that the right to use pseudonyms is protected.
2. Such witnesses testify under pseudonyms and with their images blurred in recordings of their testimony.
3. Those who voluntarily register their real names may choose not to use them, or they can use pseudonyms in blog articles.
4. The State Council enacted a regulation banning bank accounts opened under pseudonyms four years ago, blocking a key channel for money laundering.