If the economy performs more strongly this year than expected, that should be the spur to start tightening, by raising the base rate from its all-time low of 0.5%.
如果本年经济表现超出预期，将成为提高一直以来0.5%的低基准利率，并开始收紧的肇始。
2
And that is when the bank is likely to start restoring more normal monetary Settings, by raising the base rate from its all-time low of 0.5%.
那可能是中央银行通过提高已是空前最低的0.5%的基准利率的时候，以恢复到正常的货币参数。
3
Short-dated yields may stay low: Barclays Capital notes they just start to rise in earnest about six months before the first rate increase, which may only come in the second half of 2010.