중 3 천재
Lesson 5. How MP3 Music Files Work
Dialogue
Cathy : What’s wrong with this thing? It never works.
Min-su : Are you having trouble?
* have [trouble / difficulty / problem / a hard time] + with + 명사 :
〃 (in) ~ing
Cathy : Oh, Min-su. You’re a computer wizard.
Can you give me a hand?
= help me
Min-su : Sure! What’s the problem?
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