When Spot and Stripe were four months old, they were learning how to open doors and jump fences, and we knew it really was time for them to go.
当斑点和条纹四个月大的时候，他们正在学习如何开门和跳栅栏，我们知道是时候让他们离开了。
2
If you can't open a file (文件) , how can you continue your learning?
如果你打不开一个文件，怎么继续学习？
3
At Udemy, an open university offering online courses, Artist Anneke Camstra is engaged in the pursuit of lifelong learning and displays her potential for teaching.