19 Authorities are on high alert after new cluster of infections was detected in New South Wales.

新南威爾士州發現新的感染群后，19個當局高度警惕。

28 cases have been linked to Sydney's northern coastal suburbs, but health officials have been unable to determine the source of the infections, raising fears that the cluster could spread.

28個病例與雪梨北部沿海郊區有關，但衛生官員一直無法確定感染源，這引起了人們對該集群可能蔓延的擔憂。

State Premier Gladys periodically in has urged people to be diligent, so everybody in greater Sydney needs to be on high alert.

州長格萊迪斯定期在已經呼籲人們勤奮，所以大雪梨的每個人都需要高度警惕。

If you have the modest of symptoms, please get tested and isolate.

如果你有適度的症狀，請去檢查和隔離。

But also can everybody please think about their activity?

但也請大家考慮一下自己的活動？

Nobody should be getting on public transport without wearing a mask.

任何人都不應該在不戴口罩的情況下上公共交通工具。

Nobody in greater Sydney should be going to a supermarket, a place of worship or other high risk areas without wearing a mask.

在大雪梨，任何人都不應該在不戴口罩的情況下去超市、禮拜場所或其他高風險區域。

Australian states and territories started reimposing border restrictions on Friday, causing disruption to thousands of People's Christmas travel plans.

澳洲各州和領地週五開始重新實施邊境限制，導致數千人的聖誕旅行計劃受到干擾。

It's also a blow for the economy and domestic tourism operators.

這對經濟和國內旅遊經營者來說也是一個打擊。