European household spending patterns have remained stable over the year , while north american thriftiness dipped in the fourth quarter .
欧洲的家庭支出模式过去一年保持稳定,而北美的节俭程度在第四季度有所下降。
He has another , more novel theory to explain young people 's thriftiness .
他还有其他更多理论来解释年轻人的节俭。
One explanation is that environmentalism and thriftiness have made growing vegetables trendy , an idea that is supported by growing shortage of allotments .