Non-books
(non-book 的復數) n. 無真實價值的書籍
?? 詞語組成解析
non
[[n?n]]
adv. 非, 不
n. 書評；書籍（book的復數）
??? 情景例句
to serve the senior citizens
為Riverdale的老年人
When an opportunity is neglected, it never comes back to you.
機不可失，時不再來。
How many instruments do you play?
你能演奏多少種樂器？