结合 JOIN 和 ARRAYFORMULA 不起作用

Combining JOIN and ARRAYFORMULA doesn't work

Column B   Column B    Desired output
Some       Thing       Some Thing
Any                    Any (with NO blank space because of blank cell)
No         Thing       No Thing
           Thing       Thing (with no leading space either)

我已经试过了:={"COPY-PASTE" ; ARRAYFORMULA(TEXTJOIN(" "; SAND; $B; $C))} - 没有成功。

=ARRAYFORMULA(TRIM(TRANSPOSE(QUERY(TRANSPOSE(A1:B),,999^99))))