交易用英语说

交易
1. transaction
2. business deal
相关解释:
trade, market, transact, tradeoff, dealing, deal, bargaining, Dutch bargain, proceeding, trading operation, swap, business, bargain, trading, commerce, to trade
例句用法:
他们之间的交易告吹了。
The transaction between them was dismissed.
用支票付款在数量上大大超过现金交易。
Payments by cheque easily outnumbered cash transactions.
这家商店因公平交易而获好名声。
This store has an excellent reputation for fair dealing.

偏向口语的：make a deal (with sb)与某人交易
done
that's the deal 成交
deal偏向有合同约束的

正式： trade指的是贸易，或大型交易 一般直接名词
书面语transaction为正式交易

go long 做多
go short放空