Inhisearlycareer,YuenheldvariouspositionsintheGovernmentofSingaporebeforejoiningtheBostonConsultingGroupintheU.S.andworkinghiswaytothePrincipalposition.
特别是有伤或疲劳的情况下,过M6Wl参加练习或比赛,不仅容易引起M6bo的损伤,而且可使旧伤加重GOAD