重点讲解：
1. go around 造访；拜访；
It's not a bad idea to go around a bit and gain experience.
到各处走走，见识见识也是好的。
2. turn down 拒绝(某人或其请求、提议等)；
There's no reason whatsoever to turn down this suggestion.
没有任何理由拒绝这个建议。
3. phase out 逐步淘汰；逐步放弃；
The army plans to phase out the equipment as it becomes obsolete.
军队计划淘汰这些设备，因为它们已经报废了。
4. get involved in 卷入的；参与的；与…有密切关联的；
You can make new friends if you get involved in group activities.
如果参与团体活动，你会结交新朋友。