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As an additional measure to protect the trust of our selling partners, Amazon’s policy does not permit private brands employees to look at the number of sales made by a single seller. The policy does generally permit employees to look at aggregate sales data for products sold in the Amazon store—that is, data on the number of sales of a product in the Amazon store where there is more than one seller of that product. It is confusion on this point that seems to have animated this year’s Wall Street Journal article, which appears to use the generic word “data” to mean both single-seller or aggregate data, resulting in the inaccurate implication that the use of any sort of Amazon sales data (even aggregate data) would violate the policy.

As a number of countries have shut down their ports or borders during the pandemic struggle, air cargo has become increasingly critical in the world's COVID-19 fight amid surging demand for medical supplies, said Feng Hao, a researcher at the National Development and Reform Commission's Institute of Comprehensive Transportation.

As for the quantum technology, Shechtman said "it is very difficult to work on the quantum technology, but the benefit is amazing. That is why now many countries such as the United States, European countries, China and Israel as well, are devoting their resources to the quantum technology."

As a result, action has been taken in different areas of Shanxi to improve water quality and protect ecology and the environment.

As a key financial center, Shanghai further opened up its financial sector with a series of new regulations. The total turnover of financial markets in 2019 in Shanghai rose 17.5 percent to 1,933 trillion yuan (about 0 trillion), and the e-commerce gross merchandise volume increased by 14.5 percent.