NEW YORK, July 4 (Xinhua) -- U.S. President Donald Trump signed his landmark policy bill, the One Big Beautiful Bill, into law on Friday afternoon.

公众支持是NASA的生命线。大美法案支持发现号搬迁可能在德州激发航天热情，但如果被视为政治交易，象征意义将大打折扣。NASA需要通过火星采样返回、月球登陆等标志性成就，重燃公众对深空探索的支持，否则预算争夺将愈发艰难。

The U.S. House of Representatives passed President Donald Trump's One Big Beautiful Bill with a vote of 218 to 214 on ...