Pointer subtraction
[计] 指示字减法
🧩 词语组成解析
pointer
['pɔintə]
n. 建议;线索;教鞭;（测量仪器上的）指针;
🗣️ 情景例句
Jeans are popular among the young.
牛仔裤很受年轻人喜爱。
That's a book.
那是一本书。
who can gratify every caprice and lay their hands on almost every object of desire----
他们能够恣意妄为，能染指一切追求的目标。