ONE PHRASE, IN CONTEXT
调查一下；查明此事
GET TO KNOW THE MEANING
IN A SENTENCE
The manager promised to look into it after the customer sent the receipt.顾客把收据发来后，经理答应调查一下这件事。
The manager promised to look into it after the customer sent the receipt.
顾客把收据发来后，经理答应调查一下这件事。
