house Fundamentals Explained
「カテゴリ」「情報源」を複数指定しての検索が可能になりました。(プレミアム会員限定)Do not use 'problem' with why when you are explaining why a problem has transpired. Do not say, for example, 'The condition why he couldn't come is that he is unwell'. You say 'The explanation why he couldn't arrive is that