51.   The unions said manual air traffic control likely had a slight negative impact on safety conditions.

52.   Slacker border controls have increased worries that more drugs will cross into Sweden, and an easing of food import controls has raised fears of disease epidemics.

53.   Stressing that border controls would have to be tightened still further, Tao rejected concerns that extra measures would harm frontier trade.

n. + have >>共 1318
company 3.47%
government 1.92%
team 1.89%
people 1.78%
country 1.14%
state 0.96%
official 0.95%
man 0.88%
player 0.88%
woman 0.87%
control 0.03%
control + v. >>共 324
be 44.40%
have 3.11%
remain 2.76%
make 1.52%
come 1.23%
help 1.11%
mean 1.06%
become 1.00%
give 0.88%
take 0.88%
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