题目内容：

阅读下面材料，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。

In Australia, it's estimated there are 40,000 daigou, which 1._____(mean) "on behalf of" in Mandarin. The online shopping agents are almost from mainland China, 2._____ are young migrants or international students 3._____ (look) for flexible ways to help cover their rent and university fees.

The centre of the trade is in Sydney, a city with a growing Chinese community and frequent direct flights to China, which makes doing business 4._____ (quick) and smoother.

Earlier this year, Beijing 5._____ (tight) regulations on cross-border online shopping, but there is still money to be made, especially in baby milk formula, known as "white gold". Many families don't care about the price 6._____ they do care about the quality. However, customers must be convinced the goods they receive are real, and that the supplier is 7._____ (rely). So Daigou have to pack their products again with Australian magazines to help prove their origin. What daigou are doing is build trust between their customers.

Rika, a girl from the 40,000 daigou, thinks that the income from daigou is reasonable compared to other working 8. _____ (opportunity) like working in a restaurant and that sort of thing. Besides, she thinks daigou are good 9._____ the local economy and our business. So she 10._____ (clear) believes they are a positive force.