KEYS:
1. Athough there are many buses in the city,very few people actually use them.
=> Despite/ In spite of having many buses in the city, very few peole actually use them.
Structure: Although + Mệnh đề
= Despite / In spite of + Ving/ noun
Nghĩa: Mặc dù... nhưng.
Chúc bạn học tốt!