durable

耐用；持久的；耐用品

【例】Our products are not only beautifully designed but also durable.

我们的产品不仅设计美观，而且经久耐用。

duty

关税；值班；职务

【例】The first duty of a director is to recce his location. 

主管的首要职责是搞清所处环境。

duty-free

免税的（地）

【例】On the ship there are video lounges, a bar and a small duty-free shop. 

船上有数间录像厅、一个酒吧和一家小型免税店。

dynamic

有活力的；动态的；活力；动力

【例】Global investors compete to invest in Southeast Asia, which is believed to be the most dynamic economic region in the world.

全球投资者竞相在东南亚投资，人们认为那里是世界上经济最活跃的地区。

earned

挣得的

【例】High rates of return can be earned on these investments.  

这些投资可能回报率很高。