After the changes, the accepted theory will explain more phenomena and have greater predictive power (if it did not, the changes would not be adopted); this new explanation will then be open to further replacement or modification.
改进后，被接受的理论将能解释更多的现象，并具有更强的预测能力（如果没有，该改变就不会被接纳）；然后这一新的解释将被进一步替换或修改。