Tiền mua được nhan sắc nhưng không mua được tuổi xuân.

Examine the piece above. what is the subject matter in this piece? what is the content?

The arrangement of the pitches in a piece of twelve tone music is called

What is the key to finding personal fulfillment in your job a. to have high salary b. to engage in lifelong learning c. to interview people in the field d. to reevaluate your career choice annually