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moderate (degree); proper (amount); temperate; suitable
適度な運動が健康維持に良いと言われる。
Moderate exercise is good for health.
適度に休憩を取ることが大切だ。
It's important to take breaks moderately.
適度な距離感が人間関係には必要だと思う。
I think a moderate sense of distance is necessary in human relationships.