Unit11、F Inte rn atio na l tr a de is only t he ex c ha n g e of go ods between na tio n s、2. T Countrie s t rad e with e ach other p ar t ly b eca us e of c ost a d v anta g e s、3. T Tra d e m e a ns c ou nt ri e s c a n pr o vi de a w i de r va riety of pr o duct s f or their co n sumers4. T I nternat ion al tr a de ca n gr ea tl y ex p and t h e mark e t, w hich enab l es t he su ppl i e r s to take ad va n t a g e o f ec onomies of s c ale、5、T E xch ang e r a t e fluc t uat i ons ma y c r e ate many problems f or i nternational tr ad e、Exchang e ra t e fluc t uat ions ma y cr e at e m any problems f o r int er n a tional tra d e6、 T Sti ll in s o me cas e s, p olitical rea so n s ca n outweigh e c o nomic c onsideration s bet we en count rie s、7、 T When w e pr ov ide s hi p p i ng i n s u r ance s er v i ce for foreig n er s, it c an b e se e n a s an exam p le o f inv isi b l e tr ad e、8、F T r ad e sur p l u s mean s that a c o unt r y’s im p orts exceed its ex p orts、9、 T Tar iff a nd q uotas ar e the ex a m ples o f trade ba r ri er s、1 0、 T A d u t y lev i ed o n a speci f ic sh i pm e nt ca n b e a n import, a p rotectiv e and a po und d u t y at t he same t i m e、1、 ___________ is t h e r ea so n why in t ernatio n al trade first bega n、 a、 Uneven d is t r i buti o n o f r e so u r...