[文法] 一段英語用法疑問

[gecer (gecer)]

Maria Yuryevna Sharapova is a Russian professional tennis player who as of May 13, 2013 is ranked
World No. 2 by the Women's Tennis Association (WTA) and is the top Russian
player and the only one in the top-10 (out of 8 Russians in the top-100).

紅字部分求解釋
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※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 111.255.242.198
※ 編輯: gecer           來自: 111.255.242.198      (05/16 13:13)
→ dashihito:as of= start form a certain moment？
→ biingru:http://lmgtfy.com/?q=as+of
→ veronikoala:又是斷句問題: who (as of May 13, 2013) is ranked..
→ veronikoala:as of 的意思如1F所說 (starting from + 時間點)
推 sber:as of不是從這時間開始的意思，而是在這時間的當下
→ sber:他說莎拉波娃在5/13/2013這天算是排名世界第二
→ sber:常常講的用法是像  The process is still going as of now.
→ sber:在這當下，這個處理過程還沒結束