Jet stream? The pattern of the jet stream?

With a formal education, you’ll learn about jet stream patterns and their effect on which plants grow best in certain regions.

This come from an article about 13 Niches to investigate for your part time business. One of the 13 was Gardening and Landscaping where the above quote comes from. Jet stream?

Great more folks who are in another field getting in this field.

What the heck exactly is Alibaba.com?