一共 	yı́gòng 	all together
是 	shı̀ 	to be
给 	gěi 	to give
发票 	fāpiào 	receipt
这 	zhè 	this
买 	mǎi 	to buy
东西 	dōngxi 	thing
结帐 	jiézhàng 	check-out
总共 	zǒnggòng 	altogether
找钱 	zhǎoqián 	to give change
开发票 	kāifāpiào 	to write a receipt
开药 	kāiyào 	to write out a prescription