2. Because of interests. It is not surprising that the above reasons have led to the vigorous development of the pharmaceutical industry and related industrial chains, and the rulers are short-sighted, only driven by interests, and taxation comes first. Just like the tobacco industry, the loss outweighs the gain.
3. The country is rich and poor. Only when we reach a certain level can we talk about professional health care and keep fit with full-time people. And more people have to be independent, even ignorant people sigh.
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