Among all sushi, I like salmon roe the most.

Mr. Iikura is my best friend.

How much is the commission for this transaction?

He can speak some Japanese.

How much is this bag?

When the earthquake occurred, we evacuated immediately.

It is difficult to predict the occurrence of earthquakes.

We have started a new trade.

He is an expert in embryology, studying the developmental processes of many kinds of organisms.

The process of embryogenesis is very complex, with continuous cell division and differentiation.