第一次出现在人体内。禽类可能是病毒来源。Appeared for the first time in humans. It caused illness in two children in Hong Kong, with poultry being the probable source.
The bigger Tesla gets, the more complex its operations become. Since it sells directly to customers and eschews franchised dealers, it will have to develop a network of service centers to handle repairs on the cars it sells. Its unusually generous warranty, which obligates it to buy back used cars for 50% of their original base price after three years, could create a second channel of used Teslas. “Tesla will be eating a lot of three-year-old cars that aren’t as sexy or rare as they were a year ago,” wrote one Seeking Alpha blogger. ‘To me, it sounds like a potential mess.”