L9_A
Distinct Objects into Non-Distinct Boxes
L9_B
L9_C
L9_D
Array ( [0] => Array ( [title] => L9A [link] => https://www.youtube.com/embed/vqNabW1D13Y ) [1] => Array ( [title] => L9B [link] => https://www.youtube.com/embed/Sz0gqXILGVo ) [2] => Array ( [title] => L9C [link] => https://www.youtube.com/embed/WaSMM-BOZWw ) [3] => Array ( [title] => L9D [link] => https://www.youtube.com/embed/ScjfhALR2dg ) )
Title
第1節
第2節
第3節
第4節
Syllabus
L9_A
Distinct Objects into Non-Distinct Boxes