The phrase "a second difficulty is that" is correct and usable in written English.
It can be used when introducing an additional challenge or issue in a discussion or argument.
Example: "While the first challenge was significant, a second difficulty is that we lack sufficient resources to implement the proposed solution."
Alternatives: "another challenge is that" or "a further issue is that".
A second difficulty is that prosecutors must convict people under the laws that governed East Germany.
A second difficulty is that although the PSD belongs broadly to the centre-right, it has never had a single unifying philosophy.Since 1995, when Mr Cavaco Silva resigned its leadership while still prime minister, the party has had no fewer than three bosses.
A second difficulty is that replication-dependent histone genes typically occur in large clusters, making strategies that alter or replace the 3' end in vivo problematic.
A second difficulty is that a 'NHS friendly' model seriously challenges the holistic tenet common to so many complementary therapies.
A second difficulty is that genetic variants can be associated with a covariate without violating the instrumental variable assumptions.
A second difficulty is that the channels for distributing drugs overlooks gender relations and assumes that the benefits of free treatment over-ride other concerns.
to represent an intrinsic property of C. The second difficulty is that closed curves do not correspond uniquely to regions of space: e.g., circling the region in which there is a magnetic field twice on the same circle will produce a different curve from circling it once.
A third difficulty is that, at least prima facie, knowledge of one's mental states seems to be of a fairly different kind from knowledge of necessary truths.
Yet a third difficulty is that finding the optimal values of the model parameters may require the exploration of a huge space.
The first difficulty is that constructivism comes in several varieties, each of which claims a different niche within metaethics, and some claim no space at all.
"It is perplexing that America has such an appetite for racing on ovals rather than on a more distinctive track," sniffs Sir Martin Sorrell, a non-executive director of F1.A second difficulty is that there have been few local drivers to capture imaginations.
