I thought they'd be a nice durable cardboard.

我起先还以为大概是好看的空书壳子。

This means they can be made from less durable, and therefore cheaper materials and components.

这意味着们的制造材件可以不那么用，价格也就更低。

Strangely enough the airplanes are quite durable, they were meant to be that durable.

奇怪的是，这些飞机很用, 们就是用。

Ha! Well the aubergine's certainly tough and durable.

这茄子真是坚固用。

A child was playing with her new doll, thrilled to discover just how durable it was.

小孩在玩洋娃娃并高兴地发现很打。

Willow wood furniture is expensive but durable.

柳木家具不便宜但却很用。

It makes durable high-quality shoes which customers prefer.

生产顾客喜欢的用的高品质鞋子。

But the quality of wood leads to durable products.

但优质的木材造就了经久用的产品。

It is thicker and more durable than other forms of paper.

种类的纸来的厚且较久。

These plastic threads make modern jeans more comfortable and flexible, but also much less durable.

这些塑线使现代的牛仔裤更舒服而且有弹性，但也较不用。

But is it cost effective? Are these products durable?

但这种设计划算吗？这些产品用吗？

But despite being so durable, plastic is also cheap.

但是尽管塑很用，还很便宜。

Orders for durable goods, big-ticket items fell last month.

上个月，用品高价商品的订单减少。

Why are the blade-made products so strong and durable?

为什么叶片制造的产品如此坚固用？

They're really durable, like regular drugs.

们跟常规药一样很久。

We need extended periods of practice to make durable memories.

我们需要长久的练习来形成持久的记忆。

It's incredibly durable when properly stored.

如果储存得当， 久性令人难以置信。

And finally, when it comes to durability, not particularly durable.

最后，说到用性，不是特别用。

It's durable, attractive, easy to carve.

而且象牙用, 有吸引力, 容易雕刻。

But synthetic formulations can be less durable than human enamel.

但合成配方可能不如人类牙釉质用。