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
I know you didn't expect to have me around,
我知道你没有预期我出现在你身边，
I haven't seen you for ages.
好久没见了。
Have fun.
好好玩吧！