He is working hard to pass the examination.

His plan is difficult and expensive; it is completely out of the question.

We have come to pay you a visit.

We are studying in order to pass the STEP 2nd grade test.

In other words, the merits, etc. of making detours are the consideration of the attitudes of the landowners whose property the line would cross, the convenience of other towns and villages, as well as connection with other railway lines.

You have to be outside something, able to experience it from a distance, before it makes sense.