A-B的结果为?="ABCDefgh "
"ABCD"+space(5)+"efgh"的结果为?="ABCD efgh"
"ABCD"+"efgh"的结果为?="ABCDefgh"
"ABCD"+"efgh"+space(5)的结果为?="ABCDefgh "
"ABCD"+"efgh"+space(5)的结果为?="ABCDefgh "
A-B的结果为?="ABCDefgh "
"ABCD"+space(5)+"efgh"的结果为?="ABCD efgh"
"ABCD"+"efgh"的结果为?="ABCDefgh"
"ABCD"+"efgh"+space(5)的结果为?="ABCDefgh "
"ABCD"+"efgh"+space(5)的结果为?="ABCDefgh "