Engineers are finding ways to use less explosive material .

工程师们正在想方设法去减少使用爆炸材料。

But are you reading a wide span of material ?

但你是在阅读大量的资料吗？

I don 't obsess about material things .

我对物质方面不太感冒。

Perceived happiness depends on a lot more than material welfare .

比起物质的福利，幸福感取决于更多的因素。

Lucasfilm gives disney material for fresh hits in tough times .

困难时期，卢卡斯影业给迪斯尼带来了新鲜热门素材。