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一応， 一往， いちおう
1. more or less, though not quite satisfactorily, after a fashion, pretty much, roughly, so far as it goes, technically
2. tentatively, for the time being
3. just in case
4. once
总的来说；虽然还不太令人满意，但还算可以；某种程度上是这样；大体上是这样；就目前而言是这样；从技术层面上来说是这样。；暂时地；暂且而言；以防万一；万一；有备无患；曾经；一旦
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往来， おうらい
1. coming and going, traffic
2. road, street
3. association, socializing, socialising, fellowship, mutual visits
4. recurring (e.g. thoughts)
5. correspondence
来来往往；道路，街道；协会，社交活动，社交往来，情谊，互访；反复出现的(例如：想法)；通信