For one thing… for another… (一来…二来…)

Structure 一来 + reason 1，二来 + reason 2

一来…二来… (yīlái… èrlái…) lists two reasons or upsides, one after the other: "for one thing… for another…". 多走路，一来省钱，二来健康 = "walking more: for one thing it saves money, for another it’s healthy". It’s colloquial and handy for backing up a decision with two motives.

Examples

我wǒ不bù去qù，一yī来lái太tài远yuǎn，二èr来lái太tài贵guì。
I’m not going: for one thing it’s too far, for another too expensive.
多duō走zǒu路lù，一yī来lái省shěng钱qián，二èr来lái健jiàn康kāng。
Walking more: for one thing it saves money, for another it’s healthy.
他tā没méi来lái，一yī来lái工gōng作zuò忙máng，二èr来lái身shēn体tǐ不bù好hǎo。
He didn’t come: for one thing he’s busy, for another he’s unwell.

This point and the other 370, with audio on every example, inside Wanyu.

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