illusional = 錯覺的
illusionary = 錯覺的
兩個字都是 illusion 的形容詞，所以兩個字是完全同義的。
用法:
Of course, it all proves illusionary and the market eventually resumes its downward trend.
Of course, it all proves illusional and the market eventually resumes its downward trend.
It breeds perception of illusionary strength rather than deflation's exaggerated weakness.
It breeds perception of illusional strength rather than deflation's exaggerated weakness.
謝謝妳的求助，希望會對妳有用。