You could save yourself a packet.是什么意思？

You could save yourself a packet.

你能为自己省一大笔钱。

you

pron. 你，你们，您们，各位，大家；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

could

aux. “can”的过去式，能够，打算，用于假设语气的条件句，用于虚拟语气的结论句；

例句
The regulations were relaxed and the prisoners could get out and about a bit.
规定有所放宽，犯人可以出去短暂放风。

save

vt. 救助，储蓄，节约，保留；vi. 储蓄，节约，保存；n. 救援，补救；prep. 除了；除…外；conj. 但是；

例句
A new machine may save thousands of animals from the agony of drug tests...
一种新型机器也许可以将成千上万的动物从药物试验的痛苦中解脱出来。

yourself

pron. 你自己，（用以加强语气）亲自，你的正常或健康的情况；

例句
You grew up in an agnostic household and have never been able to bring yourself to believe in God.
你在一个信奉不可知论的家庭里长大，一直都无法信仰上帝。

packet

n. 小包，信息包，邮船，大笔款项；vt. 包装，打包，用邮船运送；

例句
He went out to buy a packet of cigarettes.
他出去买包烟。