Susy, as this theory is known for short, got rid of the arbitrary assumptions by predicting a set of heavier (and as-yet-unseen) particles, a " superpartner" for each known fermion and boson.

Susy，这个理论的简称，通过预测一组更重的（和尚未见过的）粒子， 即每个已知费米子和玻色子的“超级伙伴” ，摆脱了武断的假设。