Loss of habitat is, unsurprisingly, the main threat to the plants.

生境丢失是这些植物的主要威胁，这不足为奇。

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Also try to limit stress in your life, one of the main causes of hair loss.

另外请尽力减轻生活压力，因为那是掉发的主要原因之一。

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Once children have reached one month of age, and up until the age of five, the main causes for loss of life are pneumonia, diarrhoea, malaria, measles and HIV.

儿童一旦长到一个月龄，直到五岁，丧失生命的主要原因是肺炎、腹泻、疟疾、麻疹和艾滋病毒。

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Last months, the club lost two of its main sponsors, with the resulting loss of revenue likely to run into tens of thousands of pounds.

BBC: Derry hope for Europa cash boost

Corrine receives no compensation for the loss of the family's main income.

BBC: Magazine

They also protested over reductions to in-patient beds at the Wallnuttree Hospital in Sudbury and the loss of 200 jobs at three main hospitals managed by the Peterborough and Stamford Hospitals NHS Trust.

BBC: NEWS | UK | England | NHS change protesters go on march