Sandy soils are prone to the leaching of nutrients and minerals and so tend to be nutritionally poor.
养分和矿物质容易从沙质土壤中流失,因此沙质土壤往往较为贫瘠。
And as I've found over the years, manual processes are error prone and tend to be forgotten when the going gets rough.
正如我多年所观察到的,手工过程很容易出错,如果工作紧张,就会忘记自己正在做什么。
These tend to be less efficient and more prone to fraud.
这样不仅效率不高,而且更易造成欺骗。
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