必需

Example sentences

• zhè这shì是bì必xū需pǐn品 。

  This is a necessity.

• chū出mén门lǚ旅xíng行shí时 ，shēn身fèn份zhèng证shì是bì必xū需de的zhèng证jiàn件 。

  When traveling, the ID card is an essential document.

Usage