Speech Difficulties in Down Syndrome. Down syndrome (DS) is an incurable genetic disorder that has a profound impact upon a personâs physical, mental, and social development. Children with DS have anatomical and physiological differences in the mouth and throat region that affect feeding, swallowing, and oral motor skills.
1 A gross refers to a group of 144 items (a dozen dozen or a square dozen).  A great gross refers to a group of 1728 items (a dozen gross or a cubic dozen).
Net profit is equal to the gross profit minus overheads minus interest payable plus one off items for a given time period. Gross Margin vs Net Margin Gross margin is the ratio of gross profit to revenue. Net margin is the ratio of net profit to revenue. Gross is the profit from the transaction without deduction. Net is the profit from the transaction after deducting cost of goods and cost of the sale (manpower, taxes, rent, etc.) Gross and Net. Gross refers to the total and Net refers to the part of the total that really matters.