在分子水平上理解疼痛为靶向治疗打开了大门。
Understanding pain at a molecular level opens doors to targeted therapies.
材料的使用方式有其政治性。
你不能害怕失败,这是你成功的唯一途径。
He said that the world was made for men to fight in and that the worth of a thing was the worth of the fight for it.