1, institutional strength. Book Play English is an online English course teaching software developed by Book Play Science and Technology Research Institute Co., Ltd., which was established on 20 16. Ledel is a high-end education brand under the Bridge Group, which was established in 2000.

2. Teachers. The teaching team of calligraphy and drama English is mainly with bachelor degree or above, with average teaching experience, while Ledel's teaching team is mainly with postgraduate degree in English, with rich teaching experience, which is better than calligraphy and drama English.