例句：
The produce was labelled "Made in China."
该产品上贴有“中国制造”的.标签。
He toyed with the idea of going to China.
他没有太认真地考虑去中国的这个想法。
Do you need a visa for the USA?
你需要美国签证吗？
I went to the USA last month.
上个月我去了美国。
What do you like about the USA?
你喜欢美国什么？
