钢琴谱中的SUS是什么意思?

钢琴谱中的SUS是什么意思?
钢琴谱中的SUS是什么意思?

钢琴谱中的SUS是什么意思?
Innocence Tab by Avril Lavigne,Welcome to ;shy;
　　shy;
　　Artist:Avril Lavigneshy;
　　Song:Innocenceshy;
　　Album:The Best Damn Thingshy;
　　shy;
　　Tabbed by 8ur!Meshy;
　　IMPORTANT!TUNNING:1/2 STEP DOWN!shy;
　　shy;
　　Chords:shy;
　　shy;
　　Dm Dm/A# C A#sus2 Dsus2shy;
　　e|--1--|--1--|--0--|--1--|--0--|shy;
　　B|--3--|--3--|--x--|--1--|--3--|shy;
　　G|--2--|--2--|--5--|--3--|--2--|shy;
　　D|--0--|--3--|--5--|--3--|--0--|shy;
　　A|--x--|--1--|--3--|--1--|--x--|shy;
　　E|--x--|--x--|--x--|--x--|--x--|shy;
　　shy;
　　shy;
　　Intro/Outro:shy;
　　shy;
　　e|------0-1-0------0--1--|-----0-1-0------------|shy;
　　B|--------------1--------|--------------1---3---|shy;
　　G|-----------------------|----------------------|shy;
　　D|--0--------------------|----------------------|shy;
　　A|-----------------------|--1-------------------|shy;
　　E|-----------------------|----------------------|shy;
　　shy;
　　shy;
　　shy;
　　Verse 1:shy;
　　shy;
　　Dm Dm/A#shy;
　　Waking up and see that everything is OKshy;
　　Dm Dm/A#shy;
　　The first time in my life and now it's so greatshy;
　　Dm Dm/A#shy;
　　Slowing down I look around and I'm so amazedshy;
　　Dm Dm/A# Cshy;
　　I think about the little things that make life greatshy;
　　A#sus2shy;
　　I wouldn't change I think about itshy;
　　C A#sus2shy;
　　This is the best feelingshy;
　　shy;
　　shy;
　　shy;
　　shy;
　　Chorus:shy;
　　shy;
　　Dm A# F Cshy;
　　This innocence is brilliant,I hope that it will stayshy;
　　Dm A# F Cshy;
　　This moment is perfect,please don't go awayshy;
　　Dm A# F Cshy;
　　I need you nowshy;
　　shy;
　　shy;
　　And I hold on to it Don't you let it pass you byshy;
　　e|-----------------------------------------------|shy;
　　B|----3----5----6----8----5----6----8------------|shy;
　　G|-----------------------------------------------|shy;
　　D|-----------------------------------------------|shy;
　　A|-----------------------------------------------|shy;
　　E|-----------------------------------------------|shy;
　　shy;
　　Repeat Intro 2 timesshy;
　　shy;
　　shy;
　　shy;
　　Verse 2:same as verse 1shy;
　　shy;
　　I found a place so safe,not a single tearshy;
　　The first time in my life and now it's so clearshy;
　　Feel calm,I belong,I'm so happy hereshy;
　　It's so strong and now I let myself be sincereshy;
　　I wouldn't change I think about itshy;
　　This is the best feelingshy;
　　shy;
　　shy;
　　shy;
　　Chorus:shy;
　　shy;
　　Dm A# F Cshy;
　　This innocence is brilliant,I hope that it will stayshy;
　　Dm A# F Cshy;
　　This moment is perfect,please don't go awayshy;
　　Dm A# F Cshy;
　　I need you nowshy;
　　shy;
　　A#sus2shy;
　　And I'll hold on to itshy;
　　Cshy;
　　Don't you let it passed you byshy;
　　shy;
　　shy;
　　shy;
　　Bridge:shy;
　　shy;
　　A#sus2 Fshy;
　　It's the state of bliss you think you're dreamingshy;
　　C Dsus2shy;
　　It's the happeness inside of your feelingshy;
　　A#sus2 F Cshy;
　　It's so beautiful it makes you wanna cry shy;