If these countries become over-represented, the possibility of their successful candidates being recruited becomes less likely, which may result in an accumulation on the roster of high numbers of candidates having to wait long periods.
如果这些国家变成代表过多，其成功候选人获得聘用的可能就更小，这样就可能造成名册上候选人的大量积压，而不得不长期待聘。