71.   Weather problems have plagued the ski season at European venues, where there has been too much and too little snow at various times.

72.   Weather problems such as wind, fog or rain are still a possibility.

73.   Weather problems troubled World Cup events the last two seasons in Sierra Nevada, both of which were used as trial runs for the championships.

74.   Weather problems forced Fossett to abort his latest attempt.

75.   Weather problems in Brazil, China, India and Russia have sharply reduced expected production.

76.   Without major weather problems, economists say grain prices will remain low through next year.

77.   Faced with weather problems, fire officials briefly suspended most of the work around the gutted building but carried on their painstakingly slow search in more protected areas inside.

n. + problem >>共 955
health 11.61%
heart 4.65%
drug 2.79%
security 2.11%
computer 1.60%
safety 1.51%
knee 1.51%
image 1.25%
injury 1.12%
kidney 0.97%
weather 0.44%
weather + n. >>共 494
condition 23.66%
pattern 10.02%
forecaster 5.18%
report 4.48%
phenomenon 4.36%
system 4.12%
service 3.42%
radar 2.04%
official 2.04%
problem 1.54%
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