1. But household money spent for non-durable goods actually declined slightly from 1972 to 1987.
    但实际上，非耐用商品的户均消费在1972至1987年间略有下降。

2. The shoes are very durable.
    这双鞋很耐穿。

3. Many new structures are built with a new type of steel joint, an I-joint, which appears to be the most durable type of joint.
    许多新式结构都采用了一种新型的钢接合方法，即I形接合，它看起来是种最耐用的接合。

4. Rather, we need to make products more durable, lighter, more energy efficient and easier to repair rather than to replace.
    与之相反，我们需要制造更多更耐用、更轻便、更节能、更易修理而不是更易替换的产品。

5. Of course there is nothing wrong with their commitment, ambition and durable energy.
    当然他们的承诺、抱负和持久的精力均无可指责，

6. If Americans were really creating more trash by spoiling ourselves with a lot of unnecessary items, we would be spending more on trash-generating items: non-durable goods like food and beauty products.
    如果美国人的确纵容自己购置了许多不必要的用品，从而产生出更多的垃圾，那我们大多是购买了那些制造垃圾的产品：