Biannual research by the human resources consultancy towers perrin , for example , has found no sustained rise in employee engagement levels across europe .
The idea that growing wealth offsets high tax prices fits with evidence from a biannual survey of charitable donors by bank of america and the center on philanthropy at the university of indiana .
增长的财富抵消了高税收价格这个观点，与美国银行及印第安大学慈善中心一年两次的慈善捐款调查相吻合。
That same year the two governments began holding biannual gatherings for defense ministry officials and arms industry exporters and an annual strategic cooperation conference between intelligence officials .
In its biannual country risk survey , euromoney magazine optimistically gives china a risk rating of 61.5 points ( 100 being least risky ) , compared to 75.7 for the united states and a 53.7 for india .
But the impact of the economic crisis on people 's purchasing power is set to offset much of the benefit of lower agricultural commodities prices , the fao said in its biannual food outlook report .
