Teasing out the root cause of anorgasmia is another challenge.

探究出性障碍的真正原因又是一项挑战。

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Challenge: a mutation on the X chromosome is the most common known cause of autism.

挑战：X染色体上的突变是最常见的自闭症病因。

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Here, your spiritual team member was the core, or root cause, of your challenge.

在这里，“灵魂的你”这一队员是你所面对的挑战的核心，或者说根本原因。

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Here, your spiritual team member was the core, or root cause, of your challenge.

在这里，“灵魂的你”这一队员是你所面对的挑战的核心，或者说根本原因。

youdao