在从经济到安全的诸多领域，我们面临新的考验、新的变数。

We face new trials and new uncertainties, from our economy to our security.

youdao

以往的经验表明，经济的恢复的快慢存在着很大的变数。

Past experience suggests that there is enormous scope for variation.

youdao

以往的经验表明，经济的恢复的快慢存在着很大的变数。

Past experience suggests that there is enormous scope for variation.

youdao