投资组合的多样化有助于降低市场波动的风险。

Portfolio ___diversification helps reduce risks from market fluctuations.

这家公司通过投资不同行业实现了业务的多样化。

The company achieved business ___diversification by investing in various industries.

这家科技公司通过多元化经营进军医疗设备行业。

The tech company achieved growth through ___diversification into the medical equipment sector.