But now the Europen market began to ask for cash on delivery. That greatly complicated matters.

但是现在欧洲市场开始需求交付的现金流。那就出现很复杂的麻烦了。

As for the composition of size, there is no essential distinctions between Chinese and West Europen loesses. But, the loess sizes on different layers in West Europe show regular variation.

在粒度组成上，欧亚黄土并没有本质的差别，但西欧不同层位的黄土粒度组成呈有规律变化。