Learning problem
[计] 学习问题
🧩 词语组成解析
🗣️ 情景例句
You have to go on television, too.
也应该上电视。
On a crowded train, one comes in contact with many people.
在拥挤的火车里面，会和许多人接触。
Many offices use answering machines to give information.
许多办公室使用留言机来提供信息。