As well as your primary carbon footprint, there is also a secondary footprint that you cause through your buying habits.

除了你的主要碳足迹，你的次要碳足迹主要由于购买习惯产生。

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There had been a bright flash earlier over Nevada, and now debris came off that was large enough to cause multiple secondary plasma trails.

之前飞过内华达州时只有一道明亮的闪光，现在崩离的残骸已经大到引发了多重的次级等离子体亮尾。

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Epilepsy with a known cause is called secondary epilepsy, or symptomatic epilepsy.

具有已知病因的癫痫称作继发性癫痫或者称作症状性癫痫。

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Mr Morris said the cause of death was suffocation with a secondary cause of an overdose with painkillers.

BBC: Hospital worker on sex charges took own life - coroner

But patients are also at risk of death within seven days of treatment because the drug can cause a secondary bleed in the brain.

BBC: Brain

Whether such a policy materially advances the cause of non-proliferation appears, frankly, to be a secondary consideration.

CENTERFORSECURITYPOLICY: Center for Security Policy | Vive La France! French Determination To Perform Necessary Nuclear Testing Should Be Wake-Up Call To US