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first (of all); firstly; to begin with; before anything else
probably; most likely; almost certainly; virtually
more or less (satisfactory); on the whole; reasonably
anyway; at any rate; for now (at least); for the time being
まず何から始めましょうか。
What shall we start with first?
まずは食事をしましょう。
Let's eat first.
まず最初に問題を確認しよう。
First, let's confirm the problem.