Zhou and Zheng are a pair of common surnames. To choose a couple’s online name for this couple, you can consider the following methods:
1. Combine the meaning of the surname: Zhou represents "Surrounding, thorough, considerate", Zheng represents "serious, prudent, responsible", you can combine these meanings to name, such as "comprehensive love", "serious love", etc.
2. Use words to make sentences: You can use words related to the two surnames to make sentences, such as "Zhou and Zheng make friends", "Zhou and Zheng between", etc. Such names are more natural and easy to remember.
3. Phonological matching: You can consider the phonological matching of the surname. For example, putting two surnames together can form a word, or using words with similar phonology to match, such as "Zhou Zhengzhi's love", "Zhou Zhengzhi" Love" etc.
To sum up, there are many ways to come up with online names for couples, and you can choose according to your own preferences and creativity.