late 12c., "farm steward, man in charge of a grange," also as a surname, from Old French grangier "share-cropper, market-gardener," from grange "farmstead" (see grange). From 1873 in American English in reference to members of the Patrons of Husbandry farmers' association.
权威例句
1. Quantitative methods include ADF, Granger causality test and ordinary least squares.