I had a table like this:
我有一张这样的桌子:
Name Sex A B C
Alice F 1 2 -
Bob M - 3 4
David M - - 5
Name I had a table like this:
我有一张这样的桌子:
Name Sex A B C
Alice F 1 2 -
Bob M - 3 4
David M - - 5
Name