要成为一名驾驶员，视觉上分辨红色与绿色的能力是必不可少的。

The ability to visually distinguish between red and green is essential to becoming a driver.

youdao

要成为一名驾驶员，视觉上分辨红色与绿色的能力是必不可少的。

The ability to visually distinguish between red and green is essential to becoming a driver.

youdao