When an organization or person diversifies into other things, or diversifies their product line, they increase the variety of things that they do or make.
近义词
branch out , expand
双语例句
例：
The company's troubles started only when it diversified into new products.
该公司的麻烦从实现产品多样化时才开始。
例：
As demand has increased, so manufacturers have been encouraged to diversify and improve quality.
制造商们受需求增加的刺激而扩大生产品种，提高产品质量。
例：
These firms have been given a tough lesson in the need to diversify their markets.