有: 5年 fifteen years义务: duty; obligation约束: keep within bounds; restrain ...的: 4次方是 The fourth power of 2 i ...一定的，必然的；受约束的，有义务的: bound有约束力的,附有义务的: binding有义务: accountability; be in duty bound to; be liable to财务约束: financial discipline约束的: confined; constrained负有义务: assure the obligation; incur obligation; incure obligation负有义务的: beholden/incumbent; onerous有义务（做）: be in duty bound to有义务的: amenable; binding; bount; liable不附有义务的: non―binding承担应有义务: undertake the due obligations有义务做某事: be obliged to do sth财政纪律；财务约束: financial discipline半约束的: half restrained不受约束的: unfettered; unhampered; unrestricted磁场约束的: magnetically confined弹性约束的: elastically restrained过约束的: over-constrained没有约束的: checkless受到约束的: bound受约束的: constrained; controlled; suppressed
