英语句型
请帮忙把以下简单句组合成一句复合句,
youcanseetheemailIsentyoupreviously,theemailfromoneofourclientsfromGERMANY,thedetailsoftheemailisthattheymakepaymentbyEUR.
thedetailsofwhichisthattheymakepaymentbyEUR,此句中ofwhick是什么语法现象?通常用法是?
ThedetailsofitisaboutthattheymakepaymentbyEUR,此句中的about是可以省略的吧?