YOU SAID:
he argues that "the best kinds of friendship are essential for a happy life"
INTO JAPANESE
彼は「最高の友情は幸せな生活に不可欠である」と主張している
BACK INTO ENGLISH
He claims that "the best friendship is essential to a happy life"
INTO JAPANESE
彼は「最高の友情は幸せな生活に不可欠である」と主張しています
BACK INTO ENGLISH
He claims that "the best friendship is essential to a happy life"
That didn't even make that much sense in English.