Translation of "Disposable" in Japanese

How about using disposable droppers?

使い捨てスポイトはどうか。

Disposable income is what counts for the level of personal consumption.

個人消費の水準にとって大きな意味を持つのは可処分所得である。

- It's better to carry plastic chopsticks and wash them than to use disposable chopsticks to throw away.
- Instead of using disposable chopsticks, it's better to use plastic chopsticks that you can wash.
- It's better to use plastic chopsticks and wash them than to use disposable chopsticks.

使い捨ての箸を使うよりもプラスチックの箸を洗って使う方がいい。

It's better to use plastic chopsticks and wash them than to use disposable chopsticks.

使い捨ての箸を使うよりもプラスチックの箸を洗って使う方がいい。

Whenever I go to a Japanese restaurant, I take the disposable chopsticks home with me.

和食のレストランへ行くたびに、割り箸を家へもって帰ります。

Instead of using disposable chopsticks, it's better to use plastic chopsticks that you can wash.

使い捨ての箸を使うよりもプラスチックの箸を洗って使う方がいい。

It's better to carry plastic chopsticks and wash them than to use disposable chopsticks to throw away.

使い捨ての箸を使うよりもプラスチックの箸を洗って使う方がいい。