请先了解课程的费用，再决定要不要报名。

Qǐng xiān liǎojiě kèchéng de fèiyòng, zài juédìng yào bu yào bàomíng.

Please first find out the course fee, then decide whether to sign up.

参加这次比赛不用交费用。

Cānjiā zhè cì bǐsài bùyòng jiāo fèiyòng.

You don’t need to pay any fee to join this competition.

学校帮我们安排住宿，费用很合理。

Xuéxiào bāng wǒmen ānpái zhùsù, fèiyòng hěn hélǐ.

The school arranged accommodation for us, and the cost is very reasonable.