用不同的颜色阴影或图案使多样化。
To diversify(something)in color, shading, or character; variegate.
柯 维茨整理了这些观点，推导出数学公式，使多样化达到最优。
Markowitz formalised these ideas and drew up the mathematical formulae to optimise diversification.
这艘商船的迅速发展使北方殖民地经济多样化，使其自给自足的能力更强。
The swift growth of this merchant marine diversified the northern colonial economy and made it more self-sufficient.
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