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anyway; anyhow; at any rate; in any case
何なんの道みち、やるしかない。
In any case, we have to do it.
何なんの道みち、雨あめが降るふるだろう。
Anyway, it will probably rain.
何なんの道みち、行くいくことになった。
At any rate, it was decided that we will go.