The leading dollar sign is the shell prompt.

开头的美元符号是Shell提示符。

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Note: In the examples that follow, the "$" sign represents the shell prompt and is not to be typed.

注：在接下来的那些示例中，“$”符号代表 shell 提示符，不必输入它。

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Downsides? Only certain carrier networks are compatible, and you'll have to shell out a monthly fee and possibly sign a service contract.

问及它的负面，这种网络需要特定兼容的网络制式，同时你不得不花费一定的月费来使用这个服务，也许还要签份服务使用合同。

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The Shell sign hovered, its colors dulled, a corner of it broken, or maybe bitten off.

NEWYORKER: Deniers

The Shell-sign resistance movement grew strong and raucous.

NEWYORKER: Deniers

Most fish shops in France sell sea scallops live and in the shell an unmistakable sign of freshness and will open and clean them for you at no additional charge.

NPR: Scallop Mango Tartlets: Sweet Start to the New Year