为了达到最好的效果，把注意力都集中在收缩的盆底肌上。

For best results, focus on tightening only your pelvic floor muscles.

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您可以在腹压增大之前和正在增加的时候收缩盆底肌，比如喷嚏、咳嗽、大笑或举重等情况下。

You might also contract your pelvic floor muscles just before and during any activity that puts pressure on your abdomen, such as sneezing, coughing, laughing or heavy lifting.

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在1998年底，经济学人预测投票统计预测1999年南韩经济可能再次轻微收缩。

At the end of 1998 the Economist's poll of forecasters predicted that South Korea would shrink again slightly in 1999.

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