41.   The diplomatic exchange comes at a delicate time for Russia and its erstwhile adversary.

a. + time >>共 376
first 28.66%
same 14.98%
second 5.45%
long 4.61%
last 3.78%
hard 2.53%
good 2.49%
third 2.25%
next 1.57%
tough 1.16%
delicate 0.04%
delicate + n. >>共 859
balance 6.46%
issue 3.65%
act 2.98%
task 2.46%
negotiation 2.32%
matter 1.86%
position 1.82%
situation 1.68%
time 1.44%
moment 1.26%
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