例句：
The produce was labelled "Made in China."
該產品上貼有“中國制造”的.標簽。
He toyed with the idea of going to China.
他沒有太認真地考慮去中國的這個想法。
Do you need a visa for the USA?
你需要美國簽證嗎？
I went to the USA last month.
上個月我去了美國。
What do you like about the USA?
你喜歡美國什么？
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