material difference的用法和樣例：
例句
用作名詞 (n.)
- Americans view themselves as being in a state of competition with other individuals and families for values that are largely material in character.
美國人看待他們自己當與其他的個(gè)人和家庭處在一個(gè)競爭狀態(tài)中時(shí)，價(jià)值觀(guān)本質(zhì)上是大量地物質(zhì)導向。 - Basically light involves a vibrating electric field, and when that field has to push around the electrons in a material its life gets more complicated.
光從本質(zhì)上看就是一個(gè)振蕩的電場(chǎng)，當這個(gè)電場(chǎng)碰到介質(zhì)中的電子，情況變得更加復雜。
