1. When I was an undergraduate student my major was a business but I would rather have studied economics than business. so I went to graduate school of microeconomics.
2. Yuna graduated from university and got a job in a consulting company. She is content with her job and fruthful.
3. Young person have to get a passion. There are many opportunities to improve your potential and ability all the world.
4. Brian takes up new rock music. Because he's sick of the music of idol singers.
I don't know the mening of "take up" exactly. T.T
See you and have a nice day~^^
Thanks for posting ^^
Take up means To enter into (a course/major, profession or business)