wèi le / chōng fèn lì yòng / kōng jiān / tā / zài / shū fáng lǐ / fàng / le / yī bǎ / jiǎo yǐ

为了充分利用空间，他在书房里放了一把角椅。

To make full use of the space, he placed a corner chair in the study.