It is not [isn't] so difficult as you think.
君が考えるほどむずかしくない
It is not such a bargain.
そんなにお買い得ではない
It is not sufficient to ensure success in foreign markets.
それでは海外の市場での成功を確実にするのに十分ではない
It is not the case that ....
…はそうではない
It is nothing but plain nonsense [stupidity].
完全にばかげている
It is now ten years since he died.
彼が死んでもう１０年だ
It is obvious that I never went there.
私が一度もそこに行ってないのはことわるまでもない
It is of capital importance.
それはきわめて重要だ
It is officially acknowledged that she is the heir to the presidecy.
彼女が大統領後継者であることは公式に認められている
It is often hard to tell the difference.
違いを言うのはたいていの場合困難だ
