VOA慢速英语:Driving With GPS Can Be Difficult to Navigate

短语讲解：

1.  But, they can also cause a lot of problems, send you to the wrong place or leave you completely lost.

a lot of 许多
例句：Considerate products don’t ask a lot of questions 
体贴的软件不问过多问题 

2. And they just plugged in an address and then set off to their destination.

set off 出发
例句：It's raining. Even so, we must set off. 
天在下雨,尽管如此我们还是要出发。 

3. They wrote a paper based on their research.

base on  立足
例句："Base on Yunfu, orient to the world and aim at the future." 
立足云浮,面向世界,走向未来。

4. There are these new competencies that you need to have to be able to use a GPS because they sometimes go wrong.

be able to 能够
例句： I admire the way she is able to shrug off unfair criticism. 
我很佩服她能对错误的批评意见不予理会。 

5. They also include timing issues related to when GPS commands are given.

relate to 有关
例句：All these questions relate to philosophy. 
这些问题都跟哲学有关。