![September21,2050----Atapressconferencetodayitwasannounc...]( "September21,2050----Atapressconferencetodayitwasannounc...")
- 问题详情：September21,2050----AtapressconferencetodayitwasannouncedthatthefirsttouristheadingforMarswillbethe38-year-oldUSbusinessmanPatrickClifford.Hewillleavetheearthinthe launchingwindowofJune2052andsethisfootonthesurfaceofMarsinNovember,togetherwi...
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