pose造句211, For drug companies, the placebo effect can pose an obstacle to profits--if their medications fail to outperform placebos in clinical trials, they won't get approved by the FDA.
212, In addition, tuberculosis, as well as seasonal influenza caused by pneumococcal pneumonia and meningitis and other infectious diseases also pose a serious threat.
213, The portly bank manager, Su Dapeng, offers to take us hunting for wildfowl and to pose for a portrait.
214, The pose that sleep in order to lie on one's back best, lest sideways squashs breast.