無料は英語で
for free

英語の定義

for free

for free

for free
1. prep. Without paying.
We got all our food for free, it was included in the contract.
2. prep. (figuratively) Without effort; as a useful side-effect of something that was to be done anyway.
When they fixed that one bug, we got this new software feature for free.

free of charge
1. adj. Not requiring any payment.
Buy two and pay for just one – the other is free of charge.
2. adv. Without any payment being required.
They were giving the tickets away free of charge.