代码已经复制到剪贴板。 今天我们要学的词是 informal. Informal 形容词，非正式的。西班牙情报官员表示，The extremist group ISIS is using an informal finance ...

WINDHOEK, July 18 (Xinhua) -- Namibia is targeting a 70 percent electrification rate in the capital city's informal settlements by 2030, said Natangue Ithete, deputy prime minister and minister of ...