它有轻细的香气，要是用完了我会再买的。
保证这些物料不断料是很重要的，不要等到用完它们(再买)。计划这些物料的花费是最小的。
It is more important to have these materials permanently available than to run out of them. The effort to plan these materials should be minimal.
我一直坚持使用所有天然的产品，如果用完了我会再买。
I'm switching to all natural products and would buy this again if I ran out.
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