secondly和secondarily的區別？

secondly和secondarily都是副詞，都是第二、其次的意思。前者壹般用在句首，而且後面可以帶逗號，後者壹般在句中。例：

Secondly we're retaining shoppers in the mall longer.

其次，我們也想讓顧客在商店逗留的時間更久壹些。

China first learned it mainly from the u.s. and secondarily from europe.

中國首先是向美國，其次是向歐洲學習到這壹點的。