重點講解:
1. at least 至少
It'll cost at least 500 dollars.
這東西至少要花500元
。2. facial recognition 面部識別
A U.S. company has developed facial recognition software that can help police.
美國一家公司開發了一款面部識別軟件,可以幫助警察抓捕犯人
。3. be based on 根據...;基于
The story is based on fact.
這個故事是根據真人真事寫的
。4. be used for 用于...
The building is used for religious purposes.
這座建筑是用于宗教活動的
。