Firstly, they spent more time in search food ．
首先,他們花了更多的時間尋找食物。
Firstly, most companies offer too many products in pink.
首先,大多數公司提供太多粉紅色的產品。
Celebrating the festival was firstly started by the US in 1935.
這個節日最早在1935年由美國發起慶祝。
Firstly, it's expensive, and secondly, it's too slow.
首先是價格貴，其次，速度太慢。
Firstly, they must make certain that their pension needs are adequately catered for
首先，他們得確保他們能獲得足夠的養老金。