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jiè dìng
v./n. to delimit, to define; definition
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确定 vs 界定

1. 确定 is an adjective or verb, while 界定 is a noun or verb.
2. When 确定 and 界定 are both verbs
- when we want to describe the nature/meaning of something, determine the limits or boundaries of something, we use 界定.
- when we want to say generally make sure of something, we use 确定. 确定 is used in a way broader sense than 界定 and it frequently appears in daily language.
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