They then used their topological algorithm to figure out which areas were inaccessible by roads, then generated the most cost effective ways to build roads and connect them to outside services.

然后，他们使用拓扑算法找出哪些区域无法通过道路进入，然后生成最具成本效益的方法来修建道路并将它们连接到外部服务。

And I tried to meet her where she was and to be there and be as supportive as possible in finding any kind of outside services that would help her take care of her husband.

我试着在她所在的地方与她见面，并尽可能地支持她寻找任何形式的外部服务来帮助她照顾她的丈夫。

They argue that that makes it more profitable because you're not having to pay an outside service to deliver that pizza and to market that pizza on their app and it keeps 'em closer to their customers.

他们认为，这让他们更有利可图，因为你不必付钱给外部服务来送披萨，也不必在他们的应用程序上推销披萨，这让他们更接近客户。