Although HS2 seems to have a positive cost-benefit ratio, there are other projects, chiefly in roadbuilding, that would provide a better return.

虽然，HS 2项目的成本效益比似乎比较积极，但另外一些项目，首先在筑路这块就将提供一个更好的回报。

youdao

Although HS2 seems to have a positive cost-benefit ratio, there are other projects, chiefly in roadbuilding, that would provide a better return.

虽然，HS 2项目的成本效益比似乎比较积极，但另外一些项目，首先在筑路这块就将提供一个更好的回报。

youdao