This car is equipped with an automatic transmission.

He said he would come back tomorrow.

I solved this problem over and over again, and finally understood all the patterns thoroughly.

I can't keep up with his irregular schedule.

Our lives are affected by economic changes.

His new song is composed in E flat major.

Variational method is a branch of mathematics used to find the minimum and maximum values of functions.

This company is promoting the revolution of technology.

He is good at playing Beethoven's variations.

My younger sister is missing school because of tonsillitis.