立彬の日本語
250--[tbd]
決め手， 極め手， きめて
1. decider, person who decides 2. decisive factor, clincher, key, trump card, winning move, decisive blow, conclusive evidence
关键人物；关键因素
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医療費・年金給付の抑制策の決め手はないといえよう。
tbd
We can say that there's not a clear winner in terms of a policy to curtail medical expenses and benefits.
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ワインが食事の決め手です。
tbd
Wine can make the meal.
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