交 /jiāo/ TO EXCHANGE
When we pay, we EXCHANGE MONEY for a product or a service.
When we are FRIENDS with someone, we EXCHANGE experiences and help.
In order to develop our society, we promote 文化交流 /wénhuà jiāoliú/ CULTURAL EXCHANGE.
交 /jiāo/ is also part of all kinds of sexual intercourse.
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MORE WORDS IN LOGICAL CONNECTIONS >HERE<