每件产品销售前都经过全面检验。

Every product is exhaustively tested before being sold.

《牛津词典》

是什么让克里斯·可卡利斯相信电动自行车的销售前景更好？

What makes Chris Cocalis believe there is a greater opportunity for ebike sales?

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欧元区以外的销售前景也是一片黯淡。

Prospects for sales outside the euro area have darkened too.

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Multinational companies usually hire engineering student to do pre-sells, to do technical support.

跨国公司常常雇佣工科学生,去做售前顾问，或者，技术支持。

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