He is deeply interested in academic research.

He is majoring in belles-lettres.

Our company has started making profits beyond the break-even point.

His poetry is prosaic, lacking rhythm and rhyme.

There are several unwritten rules in this company.

He is looking for literature on that theme.

You can use a spectrometer to examine the composition of a substance.

Spectroscopy is an important means of investigating the properties of matter.

He strongly believes in the value of humanism.

My four treasures of the study are a fountain pen, a pencil, an eraser, and a ruler.