1. threat a suggestion or feeling that something unpleasant or violent will happen i.e. Drunken drivers pose a serious threat to other road users. 酒後駕車者對其他路人構成了嚴重威脅。 2. lack the fact that something is not available or that there is not enough of it i.e. Julia’s only problem is a lack of confidence. 茱莉亞唯一的問題是缺乏自信。 3. industry the people and activities involved in one type of business i.e. The tourism industry has suffered a great loss due to the COVID-19 pandemic. 由於新冠疫情爆發，旅遊業遭受巨大損失。