Television has the advantage of providing sports fans with greater convenience.
テレビはスポーツファンに一層大きな便宜を与える、という長所を持っている。
Can I open the window?
窓を開けても宜しいですか。
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.