Besides planting a forest, here are some other examples of long-term investment ideas.

除了种植森林，这里也有一些长期投资理念的其它实例。

youdao

Assets shall be grouped and itemized in the balance sheet according to their nature of liquidity, including current assets, long term investment, fixed assets, intangible assets and other assets.

在资产负债表上，资产应当按照其流动性分类分项列示，包括流动资产、长期投资、固定资产、无形资产及其他资产。

youdao

Report author and Boston College professor, Michael Martin, said that the success of the top-performing countries reflects the long-term investment - and shows the way for other developing countries to follow.

BBC: Asians top of school tables - England in maths top 10

Other nations have leapt ahead by implementing clean energy strategies that coordinate long-term investment in integrated research and development, low-cost financing for clean tech manufacturers, and stable policies to ensure domestic demand for clean energy.

FORBES: Beyond 'Buy American': The U.S. Needs a Clean Energy Strategy

These folks may decide to include asset classes that have no real long-term return with the hope that low correlation with other investment will generate enough excess return from rebalancing to make up for the shortfall.

FORBES: How to Pick Asset Classes