可以去 Dictionary.com 或 Webster.com 用它們的 Thesaurous 查 clear plain simple frank apparent straightforward concise comprehendible understantable apprehensible graspable unambiguous
...volatility cannot be assessed independently. There is, however, unambiguous evidence that the introduction of index futures and index options ...
... not exaggerate to character's description, also is profound also is unambiguous. Renowned leading lady Hao Ssuchia is one...