让笨蛋妹妹变聪明的办法未增删樱花有翻译如下：
The only way to make a dumb sister smarter is to give her the opportunity to learn. Give her access to books, educational materials, and educational games. Encourage her to ask questions and explore new ideas.
Spend time with her discussing topics she is interested in and helping her to understand them better. Most importantly, be patient and encouraging. With enough effort and dedication, she will eventually become smarter.
唯一能让笨蛋妹妹变聪明的方法就是给她学习的机会。给她提供书籍、教育材料和教育游戏。鼓励她提出问题，探索新的想法。花时间和她讨论她感兴趣的话题，帮助她更好地理解它们。最重要的是，要有耐心和鼓励。经过足够的努力和奉献，她最终会变得更聪明。
