來歷正當如何中翻英？How to translate 來歷正當 to English? 中英物語知道

英文例句

When you buy a smartphone online you should make sure it comes from a trusted source. If you buy a stolen smartphone you may get in trouble.

相關詞

來歷不明

英文翻譯

come from a trusted source 白話翻譯就好