1.Up until now, people had to rely on post office boxes.
rely on信赖;依赖
He can rely on my support when the crunch comes.
关键时刻,他可以依靠我的支持。
2.The 22 numbers from these coordinates are converted into three easy to remember words that replace house numbers, street and city names and zip codes.
convert into(使)转而变为…;折合
At what rate does the dollar convert into pounds?
美元以什么汇率兑换成英镑?
3.Poor addressing might seem no more than annoying in some countries.
no more than只是;至多
Their replies were no more than grunts of acknowledgement.
他们所谓的回答不过是表示承认的咕哝罢了。











