英語作文句子改錯：an issue vital這個用法是對的嗎?

題目：

英語作文句子改錯：an issue vital這個用法是對的嗎?
完整句子：Looking at the picture,we cannot but worry about the problem of intellectual honesty—an issue vital to the healthy development of our science and technology cause.

解答：

an issue vital to the healthy development...,vital to ...形容詞短語作後置定語,修飾an issue,所以這句話是對的.