Non-invasive: According to the U.S. National Library of Medicine, non-invasive refers to the tools which do not break the skin or physically enter the body. Drug delivery: According to BIS Research, drug delivery is the process of administering a pharmaceutical compound to accomplish a therapeutic effect. The most common modes of drug delivery are oral, topical, transmucosal, enteral, parental, and inhalation. Conventional drug delivery system: According to BIS Research, the conventional drug delivery system is the classical method for drug delivery into the body. Oral delivery, rectal delivery, subcutaneous delivery, buccal or sublingual delivery, intramuscular delivery, and intravenous delivery are the conventional drug delivery systems. Non-invasive drug delivery: According to BIS Research, it is the route of administration of a drug in which the systemic delivery of a drug is done non-invasively. According to BIS Research, non-invasive drug delivery refers to the devices in which the drug is delivered non-invasively or through a natural opening. The non-invasive drug delivery has various advantages over conventional drug delivery. These devices include digital respiratory devices used for inhalation of drugs such as smart inhalers, nebulizers, applications and sensors; closed-loop insulin pump (artificial pancreas), needle-free injector, and others.

快递龙头的价值增长受益于成本领先策略下对高增长市场的积极渗透。复盘看，Q2 小旺季往往是价跌利高，其核心在于成本管控在Q2 达到最佳。伴随业态和格局的演进，价格带的流动容易形成快递提价的假象。实际上，单价更低的经济件，利润率反而更高。成本管控与规模效应的共振才是快递利润率和市占率双高的长逻辑。

事件：国家邮政局公布2020 年5 月快递行业运行情况，5 月份，全国快递服务企业业务量完成73.8 亿件，同比增长41.1%；业务收入完成771.9 亿元，同比增长24.9%。