Programs exist that guarantee sustainable forest management.

现在已有证可持续的森林管理计划。

We're the only company in the industry that can make that guarantee.

我们是业界唯一可做此证的公司。

Digital ads promise to cut waste in media buys, he says.

他说，数字广告可证减少广告费的浪费。

But there's no guarantee that rapid growth in a country's economy now will be sustainable years from now.

但可不能证一个国家的速增长从现在开始就一直持续。

For example, someone may register a company in the name of a relative, an associate, or even a nominee director who acts on instruction from the company's actual owner while keeping their name confidential.

例如，一些人可能会用亲人的名字，用助理的名字，或者某个董事的名字注册一个公司而这个董事完全按照公司的实际拥有者的旨意行事这样一来，便可证实际拥有者的名字不为人知。