Sometime in the early
1960s, a significant thing happened in Sydney, Australia. The city discovered
its harbor. Then, one after another, Sydney discovered lots of things that were
just sort of there — broad parks,
superb beaches, and a culturally diverse population. But it is the harbor that
makes the city.
上面一段摘自2022年高考英语全国甲卷(全国卷Ⅱ)阅读理解D。
请问专家老师,文中的 sort of there 是什么意思?