这张图是一个平面投影。

zhè zhāng tú shì yīge píngmiàn tóuprò.

This picture is a planar projection.

平面设计是一门创意工作。

píngmiàn shèjì shì yīmén chuàngyì gōngzuò.

Graphic design is a creative job.

平面广告在市场营销中起着重要作用。

píngmiàn guǎnggào zài shìchǎng yíngxiāo zhōng qǐzhe zhòngyào zuòyòng.

Print advertising plays a crucial role in marketing.