The phrase "a thousand alternatives" is correct and usable in written English.
You can use it to express a vast number of options or choices available in a particular context.
Example: "When it comes to choosing a vacation destination, there are a thousand alternatives to consider, each offering unique experiences."
Alternatives: "countless options" or "numerous choices".
Corporate sponsorship, major-label investment, family money — there are no substitutes for these deep advantages, sure, but there are a thousand alternatives to them which can be cobbled together into something you can leverage, and every paradigm creates its own backlash which in turn offers up another possibility.
Yet in this age when customers have a thousand alternatives, and are overwhelmed by a multitude of messages, sales efforts can make or break a business.
In ten seconds, with or without the ball, a good player may see perhaps a hundred alternatives and, from them, make half a dozen choices as he goes along.
'Free' doesn't make it stand out when there are a million alternatives at the same price.
We controlled eye movements to ensure eye fixation and analysed responses made by key presses of seven human subjects in a two alternatives forced choice paradigm (2AFC).
Koyama, M. et al. A circuit motif in the zebrafish hindbrain for a two alternative behavioral choice to turn left or right.
Beyond the realm of government, it is a dizzyingly exciting moment in India, one of those rare moments in the life of a nation when everything remains to be decided, when a hundred alternative fates are possible.
For example, Google Play is unavailable in China, which means that over a hundred alternative app stores have sprung up for Android users.
A two alternative forced-choice paradigm was used in which subjects had to report which of the two stimuli felt stronger.
The pilot validation study consisted of a six alternative forced choice design.
A three alternative forced-choice (3-AFC) experimental design was implemented by presenting the "door" at three locations (left, center or right) on the "wall" (Fig. 1b).
