Is it legal for foreign countries to spend high prices on medical equipment?

(1) Ginkgo biloba leaves changed from a "cash cow" to a "bitter flower", mainly due to the law of value at work and the change of supply and demand. At the same time, it is also related to the defects of market supervision itself.

(2) First, under the condition of market economy, farmers should act according to the law of value, pay attention to market changes, face market production, and adjust the product and industrial structure in time; Second, the state should carry out macro-control, timely release market supply and demand information, guide farmers to pay attention to demand changes, and prevent blind production.

This problem is a comprehensive one. To answer this question well, from the perspective of knowledge, firstly, we should be familiar with the manifestations and functions of the law of value; We should be familiar with the relationship between market regulation and national macro-control. From the point of view of examination, we should pay attention to the key words when setting questions, organize the answers according to the meaning of the questions, point out the reasons when answering (1) questions, and talk about the practices from the perspective of farmers and the country when answering (2) questions.