·2,447,543篇论文数据，部分数据来源于NoteExpress
Expenditure patterns vary radically across countries, particularly between rich and poor countries.
ECONOMIST: Come to my party
The calculations undertaken in this model are only an approximation of the actual income and expenditure patterns of households partaking in the survey.
BBC: NEWS
This is designed to pick up unusual patterns of expenditure.
ECONOMIST: Your flexible foe
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