A single mistake and all that time and money would go down the drain .
A single mistake and all that time and money would go down the drain .
只要发生一个错误,全部的时间和金钱就将尽付东流.
A single mistake and all that time and money would go down the drain .
只要发生一个错误,全部的时间和金钱就将尽付东流.