http://www.pons.de/produkte/3-12-517841-X/（牛津大学出版社授权产品）
unsubstantial [美 ˌənsəbˈstæn(t)ʃəl, 英 ʌnsəbˈstanʃ(ə)l] 形 书
1. unsubstantial (flimsy):
2. unsubstantial (not nourishing):
- unsubstantial meal
-
3. unsubstantial (not well-founded):
- unsubstantial argument/claim
-
- unsubstantial argument/claim
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在《PONS词典》中的词汇
unsubstantial [ˌʌnsəbˈstæntʃəl] 形
1. unsubstantial (not substantial):
- unsubstantial
-
- unsubstantial improvements
-
2. unsubstantial (not significant):
- unsubstantial
-
在《PONS词典》中的词汇
unsubstantial [ˌʌn·səb·ˈstæn·tʃəl] 形
1. unsubstantial (not substantial):
- unsubstantial
-
- unsubstantial improvements
-
2. unsubstantial (not significant):
- unsubstantial
-
PONS词典中的例句（已经编辑处理）
- unsubstantial improvements
单语范例（未经PONS编辑处理）
But in samples of this size, margins of error obviously are not unsubstantial, so it is better to concentrate on bigger variations than smaller ones.
theconversation.com He criticized the lyric for spending most of its time attacking bankers and otherwise being unsubstantial.
en.wikipedia.org Beware of not living well and ending up with unsubstantial blood that forgot to have a good time.
www.theglobeandmail.com Often times their reviews are plagued with ill-informed reviews with a plethora of unsubstantial opinions.
www.videogamer.com Surely they don't call this unsubstantial thought bubble of giving personal taxation rights back to the states a policy let alone a good policy.
www.abc.net.au