The word 来 (lái) can be used to connect two verb phrases, relating the actions to each other. It can be translated as "in order to" or "so that" and it can help in explaining reasoning.
Structure
Connecting two verb phrases is very easy. All you need to do is place 来 in between them. This has the meaning of doing the first verb to achieve the second verb. Often used with words expressing a way or a method, e.g. "通过""用"
通过/用 + Verb Phrase 1 + 来 + Verb Phrase 2
Examples
Yònɡ zhè zhǒnɡ fānɡfǎ lái zhuànqián, zhēn diūrén.
用 这 种 方法 来 赚钱，真 丢人。
用 这 种 方法 来 赚钱，真 丢人。
Using this method to earn money can hurt your reputation.
Wǒmen kéyǐ tōnɡɡuò dǎzhé lái xīyǐn ɡùkè.
我们 可以 通过 打折 来 吸引 顾客。
我们 可以 通过 打折 来 吸引 顾客。
We could have a sale in order to attract customers.
Nǐ zhǐnénɡ tōnɡɡuò zìjǐ nǔlì lái zhǎo dào hǎo ɡōnɡzuò.
你 只能 通过 自己 努力 来 找 到 好 工作。
你 只能 通过 自己 努力 来 找 到 好 工作。
You must work hard in order to find a good job.
