流量取得成本在提高，研发成本也在提高(因为公司为提供新的服务扩展它的平台)。
Rising traffic acquisition costs added to higher research and development costs (as the company expands its platforms to offer new services).
流量取得成本在提高，研发成本也在提高(因为公司为提供新的服务扩展它的平台)。
Rising traffic acquisition costs added to higher research and development costs (as the company expands its platforms to offer new services).
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