We don't often have such windfalls.是什么意思？

We don't often have such windfalls.

发这么大一笔横财,咱们可不常见啊!

we

pron. 我们，咱们，笔者，本人，朕，人们；

例句
...expensive make-up that we saw being advertised by a beautiful model...
我们所见的由一位漂亮模特代言的昂贵化妆品

often

adv. 常常，经常，时常，再三；

例句
Genetic abnormalities are more often associated with faults in paternal DNA than in maternal DNA.
相对于母本DNA,基因畸变往往更多地与父本DNA上的缺陷相关。

have

aux. 用以构成完成式及完成式的不定式，表示已经…；vt. 有，具有，拿，取得，从事，必须，不得不；n. 〈口〉有产者，有钱人，富国，〈英俚〉欺骗，诈骗；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

such

det. 这样的，那样的，如此，这样；

例句
...abstract principles such as justice...
正义等抽象原则

windfalls

n. 被风吹落的果子（尤指苹果），横财( windfall的名词复数 )；

例句
After the storm she gathered a basketful of windfalls in the apple orchard.
风暴过后,她从苹果园地上拣了满满一篮子苹果.