1. Course quality: The course quality in Rong Sheng is relatively good, and the content explained by the teacher is also relatively detailed, which helps students to fully grasp the knowledge points. However, excellent teaching quality will fluctuate, which requires students to carefully screen courses and teachers themselves.

2. High popularity: Rong Sheng has a certain popularity and reputation in the construction industry. Students can have a certain sense of trust when they choose Rong Sheng, but Lu You is not well-known.