终究还是买高质量的物品值得。
It pay in the long run to buy goods of high quality.
经过五年的艰苦工作，他们完成了一套高质量的教材。该书分为六级，从小学4年级到初中3年级。
After five years of hard work they presented a high quality textbook, which consisted of six levels from grade4 to grade9.
从简陋的设备起家，他们已生产出不少高质量的机器。
Starting with very simple equipment, they have produced a number of high-quality machines.
