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demograhic 販売対象（人口層）
relating to the structure of populations

The demograhic of this goods is housewife.

used to 動詞原型 : かつて〜していた, be used to doing : にするのに慣れている。

I used to girl group mania.

He said that he is used to dealing with women. However, she cannot talk with woman smoothly.

増加の幅を狭くする　reduce the width of the increase

It is difficult to stop completely. However, it is possible to reduce the width of the increase.

慢性的な　chronic
persisting for a long time or constantly recurring

He sufferred from chronic obesity.

手術surgery　外科医 surgeon ⇔内科医　doctor of internal medicine, physician

tidy　(他) 〜を整理する　（形容詞）きちんとした、整然とした　
（他動詞）(Often tidy someone/thing up) bring order to, arrange neatly
（形容詞）arranged neatly and in order

I tidy the rook once a week.

lack （名詞）欠乏、（自動詞）〜がない（他動詞）〜を欠いている

The state of being without or not having enough of something

be without or dificient in

You lack love.

Your supper lacks nutorients.

Water is lacking.

lack （名詞）欠乏、（自動詞）〜がない（他動詞）〜を欠いている

The state of being without or not having enough of something

be without or dificient in

You lack love.

Your supper lacks nutorients.

Water is lacking.

edible 食べられる、食用となる。

fit to be eaten (often used to contrast with unpalatable or poisonous varieties)

Mascles of almost swellfish can be eaten. On the other hand, liver of almost swellfish cannot be eaten.

〜をするのは価値がある doing/S is worthwhile. It is worth doing

Eating fish everyday is worthwhile.
It is worth eating fish everyday.