"To understand who we are, we must first understand where we come from."
要理解我們是誰，我們必須首先理解我們來自哪里。
When one door is closed, don't you know, another is open.
科學(xué)家們似乎仍未充分理解，所有地球科學(xué)都必須為揭示地球早期狀態(tài)提供證據(jù)，而只有綜合所有這些證據(jù)才能觸及真相。