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1·The irony is that for all the overexcited debate, the net effect of immigration is minimal.

讽刺的是，在所有这些过于激烈的争论背后，移民的净效应是微乎其微的。

2·So the net effect will be closer to zero.

总体影响接近于零。

3·The net effect is that not very much changes.

总的效果是没什么改变的。

4·This is the net effect of the above two limitations.

这是上述两个局限性的最终效果。

5·The net effect of these policies is hard to measure.

这些政策的直接影响就是难以控制。

6·The net effect is likely to be more pollution, not less.

进口来源地的环保标准通常较美国宽松得多，其最终结果很有可能是造成更多污染，而非减少污染。

7·The overhead measured above is the net effect of these two factors.

上面测量到的开销是这两个因素的净效果。

8·The net effect of this interference is a blunting of curiosity.

这种干涉造成的连锁反应就是好奇心逐渐钝化。

9·Until now, scientists were unsure of the net effect of these particles.

在这之前，科学家还不能确定这些颗粒造成的净效应。

10·The net effect is that a lot of book sales occured in the long tail.

由此得出的实际结果表明图书的大量销售往往存在长尾效应。