雙語例句
1.It's a useful introduction to an extremely complex subject.
這是對一門極為復雜的學科的有益入門教程。
2.Introduction of electronic point-of-sale systems is improving efficiency.
引進銷售點電子系統提高了效率。
3.On balance, the book is a friendly, down-to-earth introduction to physics.
總而言之，這是一本通俗而務實的物理入門書。
4.A prolonged drought had necessitated the introduction of water rationing
由于持續干旱，用水需要實行配給了。
5.He explains in the introduction how he gathered the data.
他在引言里解釋了他是如何收集到數據的。