Note: for simplicity sake, only one sales data feed is considered for this example.

注意：为简单起见，这个例子只考虑一个销售数据提要。

youdao

Note: for simplicity sake, only one sales data feed is considered for this example.

注意：为简单起见，这个例子只考虑一个销售数据提要。

youdao