求翻译：1929年10月，以纽约股市的崩溃为开端，引发了一场空前规模的世界性经济大危机。可见，股市投机活动掩盖了生产和销售之间本已尖锐的矛盾，使矛盾激化，直接引发经济危机。是什么意思？

In October 1929, as the start of the New York stock market crash, triggering an unprecedented scale of the global economic crisis. Be seen, the stock market speculation obscures the already sharp contradictions between production and sales, so that the intensification of conflicts, directly caused b

October 1929, the collapse of stock markets in New York to start, there has been a unprecedented scale of the world major economic crisis. It can be seen in the stock market speculation has concealed between the production and sales have been acute conflict. The sharpening of the contradictions, dir

In October, 1929, take the New York Stock market's collapse as a beginning, has initiated an unprecedented scale worldwide basis economical big crisis.Obviously, the stock market congenial activity has covered between the production and the sale this already incisive contradiction, causes the contra

In October 1929, the stock market crash in New York as a beginning, sparked a worldwide economic crisis of unprecedented scale. Visible, stock market speculation belies the sharp contradiction between production and sales, the contradictions from intensifying, directly caused the economic crisis.

正在翻译，请等待...