to make use of (a source of energy, knowledge, etc. that already exists); to tap:

发掘　Fā Jué Make Source Energy Knowledge Exists Tap

The term '发掘fā jué' means to utilize existing resources such as energy or knowledge.

发掘fā jué 指利用已有的资源，如能源、知识等。

正面	发掘　fā jué
背面	to make use of (a source of energy, knowledge, etc. that already exists); to tap:

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