<p>Is it ok? Should I ask profs first? I don't think profs can see me cuz there are hundreds of people in the hall. </p>
<p>I used recorder before. However, it's pretty useless, cuz most profs use powerpoints and models to teach thing.</p>
<p>Is it ok? Should I ask profs first? I don't think profs can see me cuz there are hundreds of people in the hall. </p>
<p>I used recorder before. However, it's pretty useless, cuz most profs use powerpoints and models to teach thing.</p>