但迄今为止，高昂的费用依然是视觉跟踪推广的最大阻力。
Cost, he said, remains the biggest obstacle in widespread adoption of eye tracking.
TTE将会集中于生产电视机供其他公司出售，这样就不会增加支持与推广一个品牌所需的费用。
TTE will instead concentrate on producing TV sets to be sold by other companies, with none of the cost of support and distribution that a brand requires.
网站运营和推广管理费用。
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