The subindex of new export orders fired a warning shot in july when it dropped eight points to 49 , below the 50 level that indicates expansion .
新增出口订单分项指数7月已发出警告，当时它下跌了8点，至49，低于表明非制造业活动处于扩张的50。
Meanwhile , an august reading of 47.7 in the pmi survey 's employment subindex , unchanged from july , shows firms shedding workers for the sixth consecutive month .
