1. my brother is not very young, nevertheless, he talks like a middle- aged man
=> my brother is not very young although he talks like a middle- aged man
2. although the fact that mary is recently moved to this city , she is so familiar with it
=> although mary is recently moved to this city , she is so familiar with it
3. my brother wants to travel around the world. Although he can not afford it
=> my brother wants to travel around the world.However, he can not afford it
#NOCOPY