Depending on the contentiousness of the choice, that can stretch over many days.

根据选择的争议性，这可能会持续很多天。

That he is capable of profound affections merely modifies here and there his natural contentiousness, and subdues its expression.

他能够产生深厚的感情， 只是在某些地方改变了他天生的争吵， 并抑制了它的表达。