寻找到合适的临床药物试验对象已十分困难。制药公司派出了时间旅行者,穿梭到不同时代寻找初治患者……新来乍到者发现了这名牛仔,牛仔的一条手臂搭在马背上,以此支撑身体。看上去似乎如果马儿移动上几英寸的话,牛仔就会摔倒到地上。新来乍到者注意到了牛仔的疲惫,小心翼翼地走近他。牛仔头也没抬,说:“是什么风把你吹到镇上来的?你有名字吗?”新来乍到者尚未来得及回答,牛仔就打量起他身上新簇簇的牛仔衣,说: It has been very difficult to find the suitable clinical drug target. Pharmaceutical companies have sent time travelers to search for new-onset patients in different times ... Newcomers discovered the cowboy, with one of his cowboys riding on his horse to support the body. It seems as if the horse moves a few inches, the cowboy falls to the ground. Newcomers noticed the cowboy’s exhaustion, carefully approached him. Cowboy did not lift the head, said: “What is the wind blowing you to the town? Do you have a name?” Newcomers have not had time to answer, the cowboy looked at him a new cluster of denim clothing, Say: