这种堆肥富含有机物质。
The compost is rich in organic ___matter.
图书馆为官方出版物和其他印刷材料设立了单独的区域。
The library has a separate section for official publications and other printed ___matter.
阅读印刷材料通常比长时间盯着屏幕更不容易让眼睛疲劳。
Reading printed ___matter is often less straining for the eyes than prolonged screen time.