更精明。。只是不知道这个占比。 但我估计也不低。 就算不知道，很快就学会了，可怕的快。

他不卖的话。 ，算impaired　

知乎也不是大多数人吧。　

An impairment loss should only be recorded if the anticipated future cash flows are unrecoverable. When an impaired asset’s carrying value is written down to market value, the loss is recognized on the company’s　in the same accounting period.