we need to know h_____to compare the prices of things in dif

we need to know h_____to compare the prices of things in dif we may make good use of the ads to compare the prices of goo compare the prices of food Things are ________________ in other parts of the world.(dif we may not know how to buy the things we need译成汉语 we often do a lot of things to r___ money for people in need We need to take advantage of what we know to turn the tide t It takes money to compare prices on the Internet.翻译 On the Internet,we can know the things in other p() of the w people eat ____ things in different parts of the world A dif Which of the following things that we don't need to grow a b 英语翻译19下As we know,it isnot synchronous for the change of dif