But in this particular context, just remember that one particular single focus creates limitation that narrows and strengthens your level of focus.

但是，要记得一个特定的单一目标会定好界限从而缩小注意力的范围并加强集中注意力的能力。

He checked the scorn on his tongue by a visible effort because it did not take a Guild navigator's single- minded focus on the main chance to see the immediate future out on that plain.

他用明显的努力克制住舌头上的轻蔑，因为它不需要公会领航员的一心一意专注于看到不久的将来在那片平原上的主要机会。