- Unlike most other expat classes taught outside universities, Yechen used textbooks and insisted that we learn at least a basic grounding in characters.
- Concerning working principle of insulated gate field-effect transistor (IGFET) , in the existing and using textbooks, there are several different explanations that are unlike in their opinions each other.
- Young ladies used to have lessons in deportment.
- Don't buy a used car from that rogue.
- This book can be used as a textbook.
- The car used a gallon of petrol for the journey.