They work hard all day.They are happy to answeryour questions.中文

They work hard all day.They are happy to answeryour questions.中文
They work hard all day.They are happy to answeryour questions.中文

They work hard all day.They are happy to answeryour questions.中文
他们整天都在努力工作.他们很乐意回答你们的提问.

他们工作了一整天，他们很高兴回答你的问题。