回答

・eyesight is poor
・bad eyesight
・bad vision

「視力差」在英語中可以說成 my eyesight is poor、I have bad eyesight、I have bad vision 等。

因此，如果要說因為視力差而無法成為飛行員，只需在 I couldn't become a pilot because ~~~ 後面加上上述的表達方式即可

I couldn't become a pilot because my eyesight is poor/ I have bad eyesight/ I have bad vision.

有幫助｜0