@FionaFaithRoss @luckytran Do your best with one way masking when necessary, and continue encouraging and pressuring institutions to do better with universal masking.
@Fiona Faithross@luckytran在必要时尽最大努力使用单向掩蔽，并继续鼓励和施压机构更好地使用通用掩蔽。
@FionaFaithRoss @luckytran Do your best with one way masking when necessary, and continue encouraging and pressuring institutions to do better with universal masking.
@Fiona Faithross@luckytran在必要时尽最大努力使用单向掩蔽，并继续鼓励和施压机构更好地使用通用掩蔽。