What's the difference between the seven laws and the seven musts?

China is a world-famous ancient country. In the long historical development, China has produced many poems, all of which have their own characteristics. So what must be the difference between seven laws and seven?

1, the seven laws refer to seven-character poems with * * * eight sentences and 56 words;

2. The four-line quatrains refer to seven-character quatrains, four sentences, and one * * * has 28 words.

3. The Seven Laws require that parallel couplets and neck couplets must be antithetical, and the first couplet and the last couplet can be right or wrong;

4. Four-wire system, four-wire system, four-wire system, four-wire system, four-wire system, four-wire system, four-wire system, four-wire system, four-wire system, four-wire system, four-wire system, four-wire system, four-wire system, four-wire system.

The above is the difference between the Seven Laws and the Seven Wonders that I brought to you.