;;“过而不改，是谓过矣”，这句孔子的名言出自《论语·卫灵公》，意思是：有过错却不加以改正，这才是真正的过错！;commitv;?vt投入tospendmoneyortimeonsth/sb：
commitsthto(doing)sth:
commitanhourtoreadingthenewspaperseverymorning
【词汇拓展】
?committedadj尽心尽力的；坚定的：
acommittedmemberoftheteam
Helovedplayingthisinstrument,andwascommittedtopracticingit.2017江苏;estimatethearea;estimatevt[常用于被动语态]估计；估算；估价：
①estimatesth(atsth):
Theyestimatethecosttorepairat$800.2016天津改
②beestimatedtobe/have:
Thetreeisestimatedtobeatleast700yearsold.
③estimate/itisestimated+(that)从句：
Theuniversityestimatesthatlivingexpensesforinternationalstudentsarearound$8,450ayear.2013湖南
Itisestimatedthat80%ofallconversationinEnglishissmalltalk.
estimaten[C]估计；估算；估价：
aconservative/roughestimate;appreciate词源解读;?欣赏；赏识tounderstandhowgoodorusefulsborsthis:
Ireallyappreciateyourhandwriting.
Histalentsaren’tappreciatedbyhisboss,whichmakeshimdepressed.
?感激；感谢tobegratefulforsth：
①appreciate(sb)doingsth:
Ireallyappreciateworkingwithsomeonewhodoessuchagoodjob.
Wewouldappreciateyoulettingusknowofanyproblem.
②I’dappreciateitif…:
I’dappreciateitifyoucouldgivemetheopportunity.;;appreciationR1n[U];react词源解读;react语义网络图;14;;Hewhodoesnotadvancefallsbackward.不进则退。;?vi（尤指士兵）前进；向前移动：
Thearmyadvancedacrosstheplain.
?vtvi（使）进展；（使）进步：
Wehaveadvancedgreatly/significantly/considerablyinourknowledgeoftheuniverse.
Thisresearchhasdonemuchtoadvanceourunderstandingoflanguagelearning.;?vtvi（时间）提前；（价格）上涨；预支（钱）：
ThedateofthemeetingwasadvancedfromJuly10toJuly1.
Wearewillingtoadvancethemoneytoyou.
?vt促进；推动(further)：
Shedecidedtogobacktocollegetoadvancehercareer.2020山东
?vt［正式用语］提出：
advanceanidea/atheory/aplan;■n
?[U]前进
?[C]进步；进展：
makegreatadvances
technological/scientific/medicaladvances
?[C][常用单数]预付款