<□2>角色塑造:善恶边界的模糊From □eart-po□nding m□ssions to outrage□us□□a□es, the□challenges in "Ru□n□ng M□n 2013□331" □ep□ both the □□st members and vi□wers on t□e edge□of th□ir□s□a□s. Whether□it was a r□c□ against□time □o c□mplet□□□□□a□□ or a game of wi□s to outsmart□th□□r opponent□, each challe□ge broug□t□out th□ c□mp□titive □pirit a□d □omedic t□mi□□ of □□e partic□pants.<□p>