qiān zhèng / shùn lì / bàn xià lái hòu / wǒ men de / Ōu zhōu / kǎo chá / zhōng yú / chéng xíng le

签证顺利办下来后，我们的欧洲考察终于成行了。

Once our visas were successfully issued, our study trip to Europe finally went ahead.