进口付汇、出口收汇、非贸易项下外汇收付；

IV. Considerations for import and export collection, payment and foreign exchange.

旅游收入是该国非贸易性收益中最大的单项收入。

The revenue from tourism is the biggest single item in the country's invisible earnings.

与此同时，中国却屡次提高了食品、住房、医疗和一系列其他非贸易商品及服务的价格。

In the meantime, China has repeatedly raised the prices of food, housing, healthcare and a range of other non-traded goods and services.