An average of just 15 cm of rainfall
last year has made it the driest year since 1850.各位老师好，请问：1.这个句子中为什么用an average of，而不用the average of呢？2.请问an average of和the average of用法有什么区别呢？
3.我查找的时候发现有人说an
av...
...acious reader is a non-stop consumer of worlds. But ones interpretation of
these worlds morphs and shifts depending on the personal experiences one brings
into the reading. We identify with a characters pain because we’ve felt pain,
and so on. The beauty of rereading lies in the idea that our enga...