logistical problem/amn
a. + problem >>共 705 个
serious 4.46%
economic 3.74%
major 3.48%
financial 2.66%
biggest 2.34%
technical 1.95%
only 1.92%
big 1.91%
potential 1.91%
real 1.87%
logistical 0.60%
logistical + n. >>共 140 个
support 29.91%
problem 19.82%
nightmare 7.43%
challenge 3.54%
difficulty 3.45%
reason 2.92%
help 2.74%
detail 1.33%
base 1.24%
issue 1.15%
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