[Grammar] Make sure there a sufficiency of time allowed for the analysis of data.

[sitifan]

1. Make sure there a sufficiency of time allowed for the analysis of data. (Longman Dictionary)
https://www.ldoceonline.com/dictionary/a-sufficiency-of-something

2. Make sure (that) there is a sufficiency of time allowed for the analysis of data. (my own sentence)

#1 is quoted from the dictionary. Is #2 also correct?

 

[GoesStation]

Number one is missing the word "is". Your versions are correct.

Don't use this expression. It's a needlessly wordy way to say "enough time".

 

[tedmc]

Allow enough/ample time for the analysis of data.