1. 一般認(rèn)為像木工和烹飪之類(lèi)的實(shí)用課程不如數(shù)學(xué)重要。
   Practical lessons, like woodwork and cookery, are not considered as important as maths.
2. 他們的研究項(xiàng)目實(shí)用價(jià)值很有限。
   Their research project has limited practical utility.
3. 你收集到的大部分情報(bào)沒(méi)有實(shí)用價(jià)值。
   Much of the information you have gleaned is of no practical use.
4. 這本書(shū)理論性太強(qiáng)，我需要一本實(shí)用的。
   This book is too theoretical; I need a practical one.
5. 你的發(fā)明不實(shí)用。
   Your invention is not practical.

實(shí)的英語(yǔ)翻譯：

用的英語(yǔ)翻譯：