Nonremunerative
无偿的, 不合算的
🗣️ 情景例句
used for new books
被用来购买新书
Little boats must keep the shores.
小船不能航行远。
This caused the construction of gigantic buildings where too large masses of human beings are crowded together.
这样就导致了许多摩天大厦拔地而起，大厦内众多的人挤在一起。