他清楚地知道，他的发明只有在广泛使用电脑的地方才有市场。
He is fully aware that his invention can find the market only in the places where computers are widely used.
他清楚地知道，他的发明只有在广泛使用电脑的地方才有市场。
He is fully aware that his invention can find the market only in the places where computers are widely used.
