@wsbgnl There is no way for a family of four to use four tests and four masks effectively. It's insufficient.
@wsbgnl四口之家无法有效地使用四个测试和四个遮罩。这是不够的。
@wsbgnl There is no way for a family of four to use four tests and four masks effectively. It's insufficient.
@wsbgnl四口之家无法有效地使用四个测试和四个遮罩。这是不够的。