问题描述：
“fight-or-fight”是什么意思?
整句：This is known as the "fight-or-flight" stress response.This response ranges from barely noticeable to very intense,depending on the situation.
整句：This is known as the "fight-or-flight" stress response.This response ranges from barely noticeable to very intense,depending on the situation.
问题解答：
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