Answer:
She has used outdated expressions.
Explanation:
Outdated expressions refers to a common phrases that used to be a trend in the past but no longer used by the majority of people today.
Using outdated expression can be fatal in art-related industry , since the companies who operated in this industrious heavily relied on current trend and want their product to be perceived as 'Cool'.
When the producer saw Marha's letter, he/she would most likely perceive Martha as someone who can't follow the current trend and it will reflect negatively to her screenplay.
