1)lease intended as security,(其意向是一種)擔保(的)租賃2)lease intended as security,擔保意向租賃3)A pledge is a type of security interest.,質押是一種擔保。4)FLG finance lease guarantee,金融租賃擔保5)maintain reserves,(飛機租賃中承租人承擔的)保養準備金6)The first kind is a change for the worse.,第一種是向下的。