1)dark current carrler,无照载流子2)unlicensed business,无照经营3)unlicensed business in Cixi,慈溪无照4)dark current,无照电流5)unliciensed construction,无照施工6)hoveler,无照领港员7)hoveller,无照领港员8)the flowing of the unlicensed traders,流动无照商贩9)dark resistance,暗电阻，无照电阻10)dark conduction,无照电导，无照电流，暗电流
用法例句
According to incomplete statistics, the number of unlicensed business occupied about 15% of all the market players.