1. 買うべき商品を調べに店にくる人(someone who visits stores in search of articles to buy)
2. 競争者の店の価格と商品を彼女を雇用する店のそれらと比較するために、彼ら店で買い物をする商用エージェント(a commercial agent who shops at the competitor's store in order to compare their prices and merchandise with those of the store that employs her)