我们走了一条直达路线以避开交通堵塞。

We took a ___direct route to avoid traffic.

有直达爱丁堡的火车吗？

Is there a ___direct train to Edinburgh?

我正在寻找从苏黎世到博茨瓦纳的直达航班。

I'm looking for a ___direct flight from Zurich to Botswana.