而市场人员常常认为销售和自己无关，事实上，再好的营销方案没有强有力的销

而市场人员常常认为销售和自己无关，事实上，再好的营销方案没有强有力的销售执行只是空中楼阁。

結果 (英文) 1:

The market often think that sales and they have nothing to do, in fact, even the best marketing program does not have a strong sales execution just castles in the air.

結果 (英文) 2:

While the marketers often think that sales and oneself have nothing to do, in fact, it is a good marketing plan without strong sales executive just castles in the air.

結果 (英文) 3:

Sales and marketing people often think that about, in fact, it is a good marketing program without strong sales are just castles in the air.