Many people assume that hand dryers are better for hygienic and environmental purposes since you aren't required to touch anything and you're saving trees while avoiding the creation of waste.

许多人想当然地认为适合于手干燥的卫生和环境目的因为你不需要碰任何东西，你拯救树木而避免导致的浪费。

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They're always protesting about something or saving the trees or whatever.

他们总是在抗议一些事情，或是在拯救树木或诸如此类的事情。

《柯林斯英汉双解大词典》

Those activities can include planting new trees, but not saving old ones from the chop.

这类活动可能包括种植新树，但是没有包括保护现有的森林不受采伐。

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While energy austerity is being promoted, saving trees seems to have been forgotten.

FORBES: New Davos Slogan: Save Oil, Kill Trees

All have their own priorities, and saving trees is not among them.

ECONOMIST: A special report on forests: Better REDD than dead | The

"The world's getting more obsessed with eco, " said Gutsche, in this case the idea of saving paper and conserving trees.

CNN: Is the 'paperless' office here at last?