Because there was slightly more matter, the collisions quickly depleted all the anti-matter and left just enough matter to create stars, planets, and eventually us.

2018年12月六级真题（第一套）听力 Section A

But a recent study seems to point to the fact that when matter and anti-matter were first created, there were slightly more particles of matter, which allowed the universe we all live in to form?

2018年12月六级真题（第一套）听力 Section A

Matter and the now more exotic anti-matter would have had little space to avoid each other.

2018年12月六级真题（第一套）听力 Section A