1、One word of caution though: These strategies are not simple "silver bullet" drop-in solutions.
需要注意：這些策略并不是簡(jiǎn)單的 “一勞永逸” 解決方案。

2、Tariffs that block Brazilian ethanol from northern markets do not apply to drop-in hydrocarbons.
阻擋巴西乙醇進(jìn)軍北美市場(chǎng)的關(guān)稅并不適用與完全替代型碳?xì)浠衔铩?/p>

3、There, she will offer a drop-in mosquito-identification service.
在那里，她將提供一個(gè)順便走訪式的蚊蟲鑒別服務(wù)。

4、They have a drop-in fee if you are not a regular
如果你不是?？偷脑挘麄円仓皇前创问召M(fèi)。

drop-in翻譯