如果考虑到达时的婴儿波峰，从而调整她们的终身出生率的话，会发现移民的人口出生率大约2.2，并不比平均水平高出多少。

If you adjust their lifetime fertility rate to take account of this bulge of babies on arrival, you find immigrant fertility is about 2.2, not much above average.

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但她警告说目前的计划只是呼吁研究可能变革，任何调整一定不能导致出生率的猛涨。

But she warned that current plans call only for studying potential changes and that any adjustments must not lead to a rapid jump in the birthrate. Ms.

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一些大城市，例如上海，试图对政策作微小调整以刺激出生率。

Some of the biggest cities, like Shanghai, have tried to make small tweaks in the policy to spur more births.

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