德国和欧洲的老病号们，平均每年拜访他们的医生18次。

Germans are Europe's most dedicated patients, visiting their doctors an average of 18 times a year.

youdao

德国和欧洲的老病号们，平均每年拜访他们的医生18次。

Germans are Europe's most dedicated patients, visiting their doctors an average of 18 times a year.

youdao