、这是由于地球是圆的:
4 y- B+ J5 d4 {$ A1 ]3 p* e3 zaccording to the earth is 7 N& ?+ i* V- s* g; Z0 M
2、两个数以何种顺序相加是无所谓的
( n' j2 F+ |4 x) l2 pit's not necessary to have two number plused with any sequence
# Q6 f, u# }% G D/ \8 E. w6 x" s7 w- ^+ O( z5 A, W9 C5 g3、这与我们所观察的到接近5 ~) T6 O6 e! }2 j/ P! l' Z# L; D8 W6 A8 k! r2 Y2 k0 D5 J
it's close to the result of our observation# O: F! o, p- q) c7 g l! _1 q
4、实际的方向与我们想象中的相反
# K( ?$ a2 g5 F9 p Sthe actual decision with which just opposite our imagination+ l8 K" n& R. i+ m \( b
5、两国对边界线存在长期(long-standing)的分歧 6 T, s- I6 |* T5 M: ]
the two countries have had long-standing dispute about boundary line |