Another theoretical conundrum is entry to the auction. 论题拍卖。
Many people-- too many to count-- share your career conundrum. 许--数-着题。
conundrum [ noun ] a difficult problem <noun.communication>
Conundrum \Co*nun"drum\, n. [Origin unknown.] 1. A kind of riddle based upon some fanciful or fantastic resemblance between things quite unlike; a puzzling question, of which the answer is or involves a pun.
Or pun ambiguous, or conundrum quaint. --J. Philips.
2. A question to which only a conjectural answer can be made.
Do you think life is long enough to let me speculate on conundrums like that? --W. Black.