How normal is it to say "on the contrary"?
Example:

Person A: It is much better to buy cans of soda than bottles because you can store them more easily.

Person B: On the contrary, I think bottles are better because you cannot seal cans once you open them.

Question

How normal is it to say "on the contrary"?
Example:

Person A: It is much better to buy cans of soda than bottles because you can store them more easily.

Person B: On the contrary, I think bottles are better because you cannot seal cans once you open them.

Answer

Perfectly normal. It is a  relatively formal but often heard.

Answer

Yes. it's perfectly normal to say. Sometimes we borrow the French expression, "au contraire", so don't be surprised if you see it in an English text.

Answer

If someone used the expression "on the contrary," I would think they were being a bit stuffy and pretentious. Like in an academic discussion. It doesn't sound natural in everyday conversation.

ご自宅で快適に語学を学べるチャンスをお見逃しなく。経験豊富な語学講師陣の中からお選びいただき、今すぐ最初のレッスンにお申し込みください！