does否定形式does not；
例句
He does not intend to relinquish power.
他不打算放弃权力。
Soap does not lather well in hard water.
肥皂在硬水中起不了多少泡沫。
She does not know if he is alive or dead.
她不知道他是活还是死。
Mrs. Zuckerman does not fraternize widely.
朱克曼先生结交不广。
But this does not vitiate his scholarship.
但这不会威胁到他的奖学金。
