This book is very useful for learning English grammar. （这本书对学习英语语法非常有用。）

The new software provides some useful functions for data analysis. （这款新软件为数据分析提供了一些有用的功能。）

Useful advice from my teacher helped me improve my writing skills. （老师给出的有用建议帮助我提高了写作技巧。）

These tools are really useful when you're doing DIY projects. （当你做手工项目时，这些工具真的很有用。）

Learning first aid knowledge can be extremely useful in an emergency. （学习急救知识在紧急情况下会非常有用。）

Her experience in the field is useful for our current research. （她在该领域的经验对我们目前的研究很有用。）

The map app on my phone is always useful when I'm traveling. （当我旅行时，我手机上的地图应用总是很有用。）

Useful information about local events can be found on this website. （关于当地活动的有用信息可以在这个网站上找到。）

A good dictionary is a useful companion for language learners. （一本好字典是语言学习者有用的伙伴。）

His tips on time management are very useful to me. （他关于时间管理的小贴士对我非常有用。）

This kind of exercise is useful for strengthening your muscles. （这种运动对增强你的肌肉很有用。）

Useful resources for students are available in the school library. （学校图书馆里有对学生有用的资源。）

The feedback from customers is useful for improving our products. （客户的反馈对改进我们的产品很有用。）

Taking notes during lectures is a useful way to remember important points. （上课做笔记是记住要点的有用方法。）

This app has some useful features for photo editing. （这个应用程序有一些用于照片编辑的有用功能。）

Useful skills like cooking and sewing can make your life more convenient. （像烹饪和缝纫这样有用的技能可以让你的生活更方便。）

The manual that came with the device contains many useful instructions. （设备附带的手册包含许多有用的说明。）

Reading books is a useful way to expand your knowledge. （读书是扩展你知识面的有用方法。）

Useful strategies for dealing with stress were shared in the seminar. （研讨会上分享了应对压力的有用策略。）

Having a positive attitude is useful in achieving your goals. （拥有积极的态度对实现你的目标很有用。

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