@LazarusLong13 @DLeonhardt That's very fair in general, but on this specific issue (effective and adequate ventilation), they're almost all starting far behind and doing little to improve.
@LazarusLong13@DLeonhardt这在总体上是非常公平的，但在这个特定的问题上（有效和充分的通风），他们几乎都远远落后，几乎没有做什么改进。