Mr Coll suggests that, isolated among half-brothers, he always had a need to prove himself.
考尔认为,正是由于奥沙马被其他同父异母的兄弟孤立,因此总是需要想办法证明自己。
2
Looking at Listing 5 shows that the template expects a list by the name of "test_cases" — which I've defined in Listing 12 as coll containing three elements.