这个婴儿车是专门为婴幼儿设计的。

This stroller is designed specifically for ___infants.

这些柔软的玩具是专为婴儿设计的。

These soft toys are specially designed for ___infants.

作为投资领域的新手，他需要向有经验的投资者学习。

As an ___infant in the world of investing, he needs to learn from experienced investors.