Tdb
abbr. Trade and Development Board 联合国开发委员会
🗣️ 情景例句
I have to return this book to the library.
我得把书还回图书馆了。
My cousin is a member of a stamp club, He seems stamp collecting.
我的表兄是一个集邮俱乐部成员，他似乎很喜欢集邮。
'It's a waste of time.
“这是浪费时间。