_____thishashappenedonoccasion,thisistheexceptionanddefinitelynottherule.
Whatismostimportantwhenlaunchingnewproducts,flankerbrandsextensionsofwell-knownbrands,orinfrequentlypurchasedbrands;orgoingafteranundefinedtargetmarket.（）
What’sthemeaningofmoneyinthe5M().