Professor leif svanstrom , chairman of the world health organization collaborating centre on community safety promotion , gave a speech on safe community establishment .
世界生组织社区安全推广协助中心主席温思朗教授於会上,进行了有关安全社区的专题演讲.
The site , which started last month , was developed by leif k-brooks , an 18-year-old amateur web programmer and high school student in vermont who was worried that people 's web interactions had " become stagnant . "
Leif kennair and ellen sandseter 's ideas have won the support of playground experts on both sides of the atlantic ; one company , landscape structures , offers a 10-foot-high climbing wall that twists like a mbius strip .
For example , leif johansson , recently retired ceo of the volvo group , uses what he calls the " kitchen table test " to measure how he is doing : at breakfast with his family on saturday mornings , he asks himself , " how easy is it to explain what I have accomplished this week and the decisions I have made ?
Listen read learn leif : ant shirley , it 's being years since we last met .
听看学雷弗:雪莉阿姨,好多年没有见了。
' I don 't see the light at the end of the tunnel , ' said leif stling , chief executive of swedish truck maker scania ab , which reported a 40 % decline in profit wednesday .