That is , shopping is not just a means toward meeting needs.

즉, 장보기는 단지 필요를 충족시키기 위한 수단만은 아니다.

You'll find her very helpful - if she's not too busy , that is.

그녀가 아주 도움이 될거예요 ,즉(말하자면) , 바쁘지만 않으면.

That is to say it was unfunny and uninspired.

다시말해서 , 그것은 재미없고 독창성 없었다.

1. that is로 쓰일때는 뒤에서 to say라는것이 생략되고

사용되는것 맞나요?? that is 혹은 that is to say는 품사상

부사인것으로 확인하면 되나요.?ㅠㅠ

Mike had asked Pratt to guess the wine's age.  Pratt had replied that that should not be too difficult provided it was one of the great years. Mike had then bet him a case of the wine in question that he could not do it.

2. bet + 사람 + 돈/물건 + that절 구조에서 that절은 부사절인가요?