a Roland for an Oliver

例句：

1. 1.The Roland for an Oliver is a great tool for musicians.
   对于音乐家来说，罗兰是一个伟大的工具。
2. 2. He decided to buy an Oliver for his son, who loves playing the guitar.
   他决定给他的儿子买一个奥利弗，他儿子喜欢弹吉他。
3. 3.She asked him to help her find an Oliver for her new project.
   她让他帮她找一台奥利弗来参加她的新项目。