影是植物覆盖着的表层对生态系统最大的贡献。
Shade is vegetated surfaces' primary service to the ecosystem.
不过，归根到底，这本书最大的贡献就是作者采用的新闻报道立场。
Ultimately, though, their journalistic approach is the central contribution of their book.
从长期来看，我希望随着框架和服务稳定后，最大的贡献将落到工具和管理方面。
I expect long term though that most contributions will fall in tooling and management as the frameworks and services stabilize.
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