How do you say

What is your most常用的mode of transportation?

..in Chinese?

你最常使用的交通工具是什麼?

nǐ zuì cháng shǐ yòng de jiāo tōng gōng jù shì shén me ?

How do you say "This piece of furniture is made of environmentally friendly materials, and is right for contemporary homes." in Chinese?