新的日托中心确实填补了一个需求。

The new daycare center is truly ___filling ___a ___need.

我几乎完成了学业，并有了创办一家小型软件公司的想法，填补了市场上被大型IT公司忽视的空白。

I had nearly finished my studies and had an idea to start a small software company, ___filling ___a ___gap in the market that was overlooked by the larger IT companies.

这款新产品旨在满足对经济实惠技术的需求。

The new product is designed to ___fill ___a ___demand for affordable technology.