ware

Compared meaning: something made to be sold (noun).

比较义项：制造出来用于销售的物品（名词）。

• product

  The general, neutral word for anything manufactured to be sold; countable, used in any industry from technology to food, and works fine in the singular, as in 'a product'.

  泛指任何制造出来用于销售的东西，语体中性，可数，可用于科技、食品等任何行业，也能用单数形式，如“a product”。

  This new product became popular soon after it launched.

  这款新产品一上市就很受欢迎。

• merchandise

  An uncountable noun for goods that are sold, especially retail or branded items such as team or movie merchandise; never used with 'a' or in a plural form.

  不可数名词，指出售的商品，尤指零售或品牌周边商品，例如球队或电影周边商品；不能与“a”连用，也没有复数形式。

  The store sells official merchandise like shirts and mugs.

  这家店出售官方商品，比如T恤和杯子。

• ware 本词

  Somewhat old-fashioned as a standalone word; usually appears in compounds like kitchenware or software, or as the plural 'wares', as in a peddler's wares.

  作为单独的词略显陈旧，如今通常以复合词形式出现，如 kitchenware、software，或用复数 wares，例如小贩的 wares（货物）。

  The shop sells kitchen ware such as pots, pans, and utensils.

  这家店出售厨具用品，比如锅、平底锅和炊具。

Product, merchandise and ware all mean something made to be sold. Product is the general word for anything manufactured, in any industry. Merchandise is uncountable, meaning goods sold by a store or brand. Ware is old-fashioned alone, usually seen in compounds like kitchenware.

这三个词都指“用来出售的物品”，但语体和用法不同：product 是最通用、中性的说法，可指任何行业的产品；merchandise 是不可数名词，多指商店或品牌成批销售的商品；ware 语体较为老式，如今很少单独使用，常以复合词（如 kitchenware、software）或复数 wares 的形式出现。