long-term /ˈlɑːŋˈtɚm/ adjective Learner's definition of LONG-TERM
: lasting for, relating to, or involving a long period of time长期的；长远的 -
The long-term effects of the medication are not known.这种药的长期疗效还不清楚。
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The company has a long-term plan/strategy for success.公司拥有取得成功的长期规划/战略。
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His long-term memory is still okay, but his short-term memory is failing. [=he is still able to remember things that happened long ago but it is difficult for him to remember things that happened recently]他的长时记忆还不错，但短时记忆就不行了。
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long-term care for the elderly对老人的长期护理
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a long-term investment长线投资