可以说，消化道是生命物质最初和最古老的实验室。

The inflationary universe model provides a possible explanation for the origin of the universe.

"The power of a story is that it can change the way you see the world."

Actual great opportunities do not have “Great Opportunities” in the subject line.

解释：平民的发怒，不过是摘下帽子，光着脚，拿脑袋撞地罢了。