expert in用法

We need to bring in an expert to deal with this problem. He's an expert on 15th-century Italian a...

You are the one in charge or the one who knows best. Said as an indication that one will defer to...

【TED-Ed】你如何知道誰值得信賴? (How do you know whom to trust? - Ram Neta). 4K. 中 ...

The Expert shirt campaign is over, but let me know if you'd be interested, you can check it here:...

“I want an expert to tell me how to pronounce this word so I know it's correct.” “I love listenin...