词汇	Sleep duration
释义	Sleep duration 睡眠时相
随便看	contractual agent contractual agreement contractual allowance contractual and leasing system contractual and management right contractual arrangement contractual arrangements contractual assurance contractual attribute contractual bonds contractual capacity Contractual capacity of the parties Contractual Carrier Contractual claim contractual claims contractual clause of non-competition contractual cleansing service contractual commitment contractual computing contractual conditions contractual consciousness contractual control Contractual damage contractual damages contractual debt