2. The enclosure is an integral part of the contract. 该附件是本合同不可分割的组成部分。
3. Always busy in time through and have to live like water, flow over time, rotating around the enclosure, each circle are the same, just repeated the rotation. 时间总是在忙忙碌碌中穿行而过，而生活就像水车，随着时间的水流，一圈圈地旋转着，每一圈都一样，只是重复地旋转着。
英英解释
n.
1. artifact consisting of a space that has been enclosed for some purpose
2. the act of enclosing something inside something else
3. a naturally enclosed space
4. something (usually a supporting document) that is enclosed in an envelope with a covering letter
