英语翻译1.怎么解决问题值得讨论2.我不知道他去哪了3.直到他听说了这个消息他才决定继续这个实验4.数以千计的村民离开了

It's worth discussing how to solve the problem.
I don't know where he goes
He hasn't decided to go on the experiment until he heard the news
Thousands of villagers left their village for work in cities
I have found it's easy to communicate with others