... 1 a greater number or amount (many, much的比较级) 更多的数量 2 an additional number or amount 额外的数量；另外一些 3 any more: any longer; now(不)再 ...
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而使用 VARCHAR 时，字符的数量是可变的，不执行额外的填充。
With a VARCHAR, the number of characters can vary, and no extra padding is performed.
但是这些工具的复杂性和数量使的银行很难知道谁将承担额外的自于美国次级抵押贷款的违约风险。
Yet the complexity and number of such instruments lie behind banks' difficulties in knowing who will bear the ultimate exposure to defaults on American subprime mortgages.
有研究已经显示这种被丢弃的额外食物可以影响鸟类数量，有时候可以促进繁殖成功。
Research has shown that the supplemental food such discards provide can affect bird populations, in some cases improving reproductive success.
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