Nowadays, everyone in school seems to own a smartphone.
I didn't own a smartphone until I was an adult with a job.
12 year old kids are doing things with smartphones some adults don't know how to do.
スマホを持つのは12歳からが適切だ
It is appropriate to have a smartphone
from the age of 12
今日、学校の全員がスマートフォンを
所有しているようです。
Nowadays, everyone in school seems
to own a smartphone.
仕事をする大人になるまで、
私はスマートフォンを所有していませんでした。
I didn't own a smartphone until I was an adult with a job.
12歳の子供たちは、
一部の大人は方法を知らないスマートフォンで物事をしています。
12 year old kids are doing things with smartphones
some adults don't know how to do.
アメリカ合衆国 
