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And the benefits are particularly concrete under current situation when the pandemic is still raging. If e-learning becomes a norm in the next few years, it may lead to restructuring, reform and reinventing in teaching and learning, Watkins said.

Analysts said Chinese oil and gas companies' participation show the growing interest of China, the world's top crude oil importer, in Brazil, and it is believed the presence of Chinese energy behemoths will further enhance in the future, as both countries are complimentary in resources, technology and capital.

And Slack enjoys that rarest of qualities among technology products one is forced to use for work: people actually like it.

Analyst said that by learning from past experience, China is better equipped for the upcoming peak season, as ministries, local governments and national oil companies all made contingency plans to deal with extremes and prioritized supplies to the residential sector.

Analysts from China Merchants Securities wrote in a note that sales of baijiu during the Spring Festival holiday, which is the peak season for this product, were as per expectations.