cause for concern, grounds for unease

largely; mostly

a lot / a majority

existence / being; entity

exist

worry, concern

to worry

ingredients for food / materials for building something, such as furniture / data / a subject to write about / news / a factor influencing markets

yet, still / Indicating it hasn't been a long time since something happened. / Indicating a choice is not good enough but still slightly better than others.

unfinished; not done