As the situation has not improved, no surveillance teams were operational today in this province, which remains the epicentre of the outbreak.
鉴于情况尚未改善，今天在该省的监测小组均未工作，该省仍然是此次暴发的中心。
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But the reason for online businesses' lower operational costs is not only the zero tax burden but also the fact that there is no need to pay rent and warehousing costs.