have notice造句

1、We have notice that demand for such goods have is falling off lately.
我们发现最近对这种产品的需求逐渐减少了。

2、It is absurd that nobody have notice them before, but there it is.
可真傻，以前谁也没注意到，可是，确有其事。

3、We have notice that your order have falling off lately, have not they?
我们发现贵公司的订单逐渐减少了，不是吗？

have notice翻译