The centers of gravity are important in vehicle design.

Frequency modulation is used in wireless communications.

Hair salons are closed on Sundays.

Conference interpreting requires excellent mastery of multiple languages.

The children of prostitutes are unbearable.

The conference interpreter translates speeches in real time during international meetings.

He was sent to a reform school after committing a crime.

I met my partner on a dating site.

The current exchange rate is favorable for exports.

The sea otter is a very cute marine mammal.