<p>I probably sound ridiculously stupid… I apologize for that…</p>
<p>but what does “x class is curved to a b-” or “y class is curved to c” mean?</p>
<p>I’m sorry again… > <</p>
<p>I probably sound ridiculously stupid… I apologize for that…</p>
<p>but what does “x class is curved to a b-” or “y class is curved to c” mean?</p>
<p>I’m sorry again… > <</p>