The idea is extremely promising - as long as biochar schemes are managed carefully to ensure that wood from virgin forests is never used as the source material.
这个想法极具潜力——只要生物炭计划得以精心经营便能确保来自原始森林的木材不再被当作原材料使用。
But although they have the potential to be useful marketing tools, such networks can also be a source of damaging publicity, as British Airways (BA) and Virgin Atlantic have discovered to their cost.
也许,这些方式有可能成为有效的市场推广工具,但也有可能成为一种致命的宣传手段。 英国航空和维珍航空因此已经尝到苦果。
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