swap

Compared meaning: to exchange one thing for another (verb).

比较义项：以物易物、进行交换（动词）。

• trade

  Used in formal, commercial or economic contexts, typically describing countries, companies or organizations exchanging goods, services or commodities on a larger scale.

  常用于正式、商业或经济语境，通常指国家、公司或组织之间大规模交换商品、服务或大宗货物。

  The two countries agreed to trade more goods.

  两国同意交易更多的货物。

• swap 本词

  An informal, everyday word for exchanging one specific item for another, usually between two people, often as a quick, on-the-spot deal.

  非正式的日常用词，指两人之间交换某个具体的物品，通常是当场进行的简单交易。

  Can we swap seats so I can sit near the window?

  我们能换一下座位吗？这样我就能坐在靠窗的位置。

Trade and swap both mean exchanging things. Trade is used in formal, commercial contexts, describing countries or companies exchanging goods on a larger scale. Swap is informal and everyday, describing exchanging one item for another, usually between two people, often as a quick deal.

这两个词在“交换”这一意义上很接近，但语域和适用场合不同：trade 多用于正式、经济或商业语境，指国家、公司等大规模交换货物或服务；swap 是日常口语用词，指两人之间对某个具体物品进行随意的交换。

Compared meaning: trading one thing for another (noun).

比较义项：交换（一物换一物）（名词）。

• swap 本词

  A general, informal word for exchanging one thing for another; can be seats, jobs, stories, anything, and does not specifically exclude money.

  泛指用一件东西换另一件东西的口语说法；可以是座位、工作、故事等任何东西，并不特别强调不涉及金钱。

  Can we swap seats so I can sit near the window?

  我们能换一下座位吗，这样我就能坐在靠窗的位置了？

• barter

  A specific economic term for trading goods or services directly, with no money involved; typically used for commodities at markets, more formal and trade-related in register.

  特指不使用货币、直接交换商品或服务的贸易方式；多用于集市上的物品交易，语气更正式、更具贸易色彩。

  The farmers used to barter vegetables for eggs at the market.

  农民们过去常在集市上用蔬菜交换鸡蛋。

Swap and barter both name trading one thing for another. Swap is general and informal: it can involve anything, from seats to stories, and does not exclude money. Barter is an economic term for trading goods or services directly, with no money, typically for commodities.

两词都表示“互相交换”，但语气和场合不同：swap 是日常口语用词，泛指用一件东西换另一件东西，不限定是物品还是服务；barter 则专指不使用货币、以物易物的交易方式，常见于集市或经济史语境，语气更正式、更偏经济色彩。