rú / guǒ / méi / yǒu / zhuān / yè / rén / yuán / de / bāng / zhù / wǒ / men / zhǐ / néng / shù / shǒu / dài / bì如果没有专业人员的帮助,我们只能束手待毙。Without professional help, we can only wait helplessly for disaster.