British industry was sheltered from foreign competition by protective tariffs. 保護性關稅使英國工業免受國際競爭影響。
The basic reason for a protective tariff is to keep out goods that will undersell products made in the home country. 保護性關稅基本上是為了將那些價格低於國內同類產品的外來商品拒於國門之外。