摩擦 (mó cā) means “friction; rubbing; chafing; fig. disharmony; conflict; also written 磨擦”. It is an HSK 6 Chinese word in the HSK 3.0 vocabulary.
两国之间存在贸易摩擦。
Liǎng guó zhījiān cúnzài màoyì mócā.
There is trade friction between the two countries.
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