1.create an account 申請賬號;注冊賬號
You need to create an account for yourself the first time you log on.
在初次登錄服務器時,你需要申請一個帳號
2.make sure 確信,證實
In the first instance we had better make sure the calculations are correct.
首先我們最好保證計算數據是正確的
3.blur out 使...模糊;抹掉
They tried to blur out distinctions between right and wrong.
他們企圖混淆是非
4.social media 社會媒體;社交媒體
We do not expect social media to radically change what we do.
我們并不認為社會媒體將在根本上改變我們所做的