Inpolygon
內接多邊形
??? 情景例句
let me know.
告訴我。
Money begets (or breeds or gets) money.
錢產生錢。
I will have to choose presents for all the family soon, but I haven't chosen any yet!
我很快就要為每一位家庭成員選購禮物，但我至今還什么也沒買！