It is known to all that the earth goes around the sun. As we all know,the earth goes around the sun. As is known to all,the earth goes around the sun. It is known to all that the earth moves around the sun. As we all know,the earth moves around the sun. As is known to all,the earth moves around the sun. Everyone knows that the earth revolves around the sun. As we all know,the earth revolves around the sun. 等等...