A new approach is needed to solve this set of problems.

The main problem with this project is the lack of communication.

This question text is too difficult, it's hard to understand.

He understands the importance of learning.

He is majoring in psychology.

Gaku is my best friend.

He has a deep interest in archaeology.

He is good at geometry.

Differential geometry is a field of mathematics that studies geometric objects such as curves and surfaces using differential and integral calculus.

Understanding geometric series is important in learning the basics of advanced mathematics.