对于一篇英文文章，对其中的主要观点进行总结。

英文文章-“The Importance of Learning a Second Language”
The article emphasizes the importance of learning a second language, citing various benefits such as improved cognitive abilities, better job opportunities, and enhanced cross-cultural communication. It argues that learning a second language can provide individuals with a competitive edge in today's globalized world and open up doors to opportunities that may not be available otherwise.