I think it should be called a lie because a pig is not like a day and people do not have skeletons in their cupboards.

"Understanding the immune system is understanding the key to unlocking new cancer therapies."

无人机技术最大的价值在于它能到达人难以到达的地方。

Sometimes the simplest designs are the most robust.

Memory is a form of creativity.

培养感恩之心是提高生活满意度最可靠的方法之一。