一来

一来

"一来" means "for one thing" or "on one hand."

"一来" is used to introduce the first reason or aspect in a sequence of reasons or aspects.

一来我们认识多年，二来他人品很好，所以我推荐他。

Firstly, we have known each other for years; secondly, he has great character, so I recommended him.

"一来" in repetition emphasizes parallel aspects rather than sequential order.

一来天气凉爽，一来风景怡人，这个地方很适合度假。

First, the weather is pleasant; first, the scenery is lovely; this place is ideal for a vacation.

"一来" presents the first point in a context of reasoning or explanation.

你若不去，一来错过机会，二来也显得不够积极。

If you don't go, firstly, you'll miss out on an opportunity; secondly, you'll appear less proactive.