Zhou was very lucky because the squad teacher , Wu Yulin , kept him with the team even though he was progressing much slower than the other teammates .
This is the one part Zhou had an advantage , and that was his stubbornness .
Zhou was very lucky because the squad teacher , Wu Yulin , kept Zhou with the team even though Zhou was progressing much slower than the other teammates .
This is the one part Zhou had an advantage , and that was his stubbornness .